python-slack-sdk/docs/reference/models/blocks/block_elements.html at 9a1f5d45608d63f1492425f9a28906c39117f90b · Lexicality/python-slack-sdk · GitHub

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<body>
<main>
<article id="content">
<header>
<h1 class="title">Module <code>slack_sdk.models.blocks.block_elements</code></h1>
</header>
<section id="section-intro">
</section>
<section>
</section>
<section>
</section>
<section>
</section>
<section>
<h2 class="section-title" id="header-classes">Classes</h2>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.BlockElement"><code class="flex name class">
<span>class <span class="ident">BlockElement</span></span>
<span>(</span><span>*, type: str | None = None, subtype: str | None = None, **others: dict)</span>
</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">class BlockElement(JsonObject, metaclass=ABCMeta):
    &#34;&#34;&#34;Block Elements are things that exists inside of your Blocks.
    https://docs.slack.dev/reference/block-kit/block-elements/
    &#34;&#34;&#34;

    attributes = {&#34;type&#34;}
    logger = logging.getLogger(__name__)

    def _subtype_warning(self):
        warnings.warn(
            &#34;subtype is deprecated since slackclient 2.6.0, use type instead&#34;,
            DeprecationWarning,
        )

    @property
    def subtype(self) -&gt; Optional[str]:
        return self.type

    def __init__(
        self,
        *,
        type: Optional[str] = None,
        subtype: Optional[str] = None,
        **others: dict,
    ):
        if subtype:
            self._subtype_warning()
        self.type = type if type else subtype
        show_unknown_key_warning(self, others)

    @classmethod
    def parse(cls, block_element: Union[dict, &#34;BlockElement&#34;]) -&gt; Optional[Union[&#34;BlockElement&#34;, TextObject]]:
        if block_element is None:
            return None
        elif isinstance(block_element, dict):
            if &#34;type&#34; in block_element:
                d = copy.copy(block_element)
                t = d.pop(&#34;type&#34;)
                for subclass in cls._get_sub_block_elements():
                    if t == subclass.type:
                        return subclass(**d)
                if t == PlainTextObject.type:
                    return PlainTextObject(**d)
                elif t == MarkdownTextObject.type:
                    return MarkdownTextObject(**d)
        elif isinstance(block_element, (TextObject, BlockElement)):
            return block_element
        cls.logger.warning(f&#34;Unknown element detected and skipped ({block_element})&#34;)
        return None

    @classmethod
    def parse_all(
        cls, block_elements: Sequence[Union[dict, &#34;BlockElement&#34;, TextObject]]
    ) -&gt; List[Union[&#34;BlockElement&#34;, TextObject]]:
        return [cls.parse(e) for e in block_elements or []]  # type: ignore[arg-type, misc]

    @classmethod
    def _get_sub_block_elements(cls: Type[&#34;BlockElement&#34;]) -&gt; Iterator[Type[&#34;BlockElement&#34;]]:
        for subclass in cls.__subclasses__():
            if hasattr(subclass, &#34;type&#34;):
                yield subclass
            yield from subclass._get_sub_block_elements()</code></pre>
</details>
<div class="desc"><p>Block Elements are things that exists inside of your Blocks.
<a href="https://docs.slack.dev/reference/block-kit/block-elements/">https://docs.slack.dev/reference/block-kit/block-elements/</a></p></div>
<h3>Ancestors</h3>
<ul class="hlist">
<li><a title="slack_sdk.models.basic_objects.JsonObject" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject">JsonObject</a></li>
<li><a title="slack_sdk.models.basic_objects.BaseObject" href="../basic_objects.html#slack_sdk.models.basic_objects.BaseObject">BaseObject</a></li>
</ul>
<h3>Subclasses</h3>
<ul class="hlist">
<li><a title="slack_sdk.models.blocks.block_elements.ImageElement" href="#slack_sdk.models.blocks.block_elements.ImageElement">ImageElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.InteractiveElement" href="#slack_sdk.models.blocks.block_elements.InteractiveElement">InteractiveElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.RichTextElement" href="#slack_sdk.models.blocks.block_elements.RichTextElement">RichTextElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.UrlSourceElement" href="#slack_sdk.models.blocks.block_elements.UrlSourceElement">UrlSourceElement</a></li>
</ul>
<h3>Class variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.BlockElement.attributes"><code class="name">var <span class="ident">attributes</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.BlockElement.logger"><code class="name">var <span class="ident">logger</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
</dl>
<h3>Static methods</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.BlockElement.parse"><code class="name flex">
<span>def <span class="ident">parse</span></span>(<span>block_element: dict | ForwardRef('<a title="slack_sdk.models.blocks.block_elements.BlockElement" href="#slack_sdk.models.blocks.block_elements.BlockElement">BlockElement</a>')) ‑> <a title="slack_sdk.models.blocks.block_elements.BlockElement" href="#slack_sdk.models.blocks.block_elements.BlockElement">BlockElement</a> | <a title="slack_sdk.models.blocks.basic_components.TextObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.TextObject">TextObject</a> | None</span>
</code></dt>
<dd>
<div class="desc"></div>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.BlockElement.parse_all"><code class="name flex">
<span>def <span class="ident">parse_all</span></span>(<span>block_elements: Sequence[dict | ForwardRef('<a title="slack_sdk.models.blocks.block_elements.BlockElement" href="#slack_sdk.models.blocks.block_elements.BlockElement">BlockElement</a>') | <a title="slack_sdk.models.blocks.basic_components.TextObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.TextObject">TextObject</a>]) ‑> List[<a title="slack_sdk.models.blocks.block_elements.BlockElement" href="#slack_sdk.models.blocks.block_elements.BlockElement">BlockElement</a> | <a title="slack_sdk.models.blocks.basic_components.TextObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.TextObject">TextObject</a>]</span>
</code></dt>
<dd>
<div class="desc"></div>
</dd>
</dl>
<h3>Instance variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.BlockElement.subtype"><code class="name">prop <span class="ident">subtype</span> : str | None</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">@property
def subtype(self) -&gt; Optional[str]:
    return self.type</code></pre>
</details>
<div class="desc"></div>
</dd>
</dl>
<h3>Inherited members</h3>
<ul class="hlist">
<li><code><b><a title="slack_sdk.models.basic_objects.JsonObject" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject">JsonObject</a></b></code>:
<ul class="hlist">
<li><code><a title="slack_sdk.models.basic_objects.JsonObject.get_non_null_attributes" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.get_non_null_attributes">get_non_null_attributes</a></code></li>
<li><code><a title="slack_sdk.models.basic_objects.JsonObject.to_dict" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.to_dict">to_dict</a></code></li>
<li><code><a title="slack_sdk.models.basic_objects.JsonObject.validate_json" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.validate_json">validate_json</a></code></li>
</ul>
</li>
</ul>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.ButtonElement"><code class="flex name class">
<span>class <span class="ident">ButtonElement</span></span>
<span>(</span><span>*,<br>text: str | dict | <a title="slack_sdk.models.blocks.basic_components.TextObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.TextObject">TextObject</a>,<br>action_id: str | None = None,<br>url: str | None = None,<br>value: str | None = None,<br>style: str | None = None,<br>confirm: dict | <a title="slack_sdk.models.blocks.basic_components.ConfirmObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.ConfirmObject">ConfirmObject</a> | None = None,<br>accessibility_label: str | None = None,<br>**others: dict)</span>
</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">class ButtonElement(InteractiveElement):
    type = &#34;button&#34;
    text_max_length = 75
    url_max_length = 3000
    value_max_length = 2000

    @property
    def attributes(self) -&gt; Set[str]:  # type: ignore[override]
        return super().attributes.union({&#34;text&#34;, &#34;url&#34;, &#34;value&#34;, &#34;style&#34;, &#34;confirm&#34;, &#34;accessibility_label&#34;})

    def __init__(
        self,
        *,
        text: Union[str, dict, TextObject],
        action_id: Optional[str] = None,
        url: Optional[str] = None,
        value: Optional[str] = None,
        style: Optional[str] = None,  # primary, danger
        confirm: Optional[Union[dict, ConfirmObject]] = None,
        accessibility_label: Optional[str] = None,
        **others: dict,
    ):
        &#34;&#34;&#34;An interactive element that inserts a button. The button can be a trigger for
        anything from opening a simple link to starting a complex workflow.
        https://docs.slack.dev/reference/block-kit/block-elements/button-element/

        Args:
            text (required): A text object that defines the button&#39;s text.
                Can only be of type: plain_text.
                Maximum length for the text in this field is 75 characters.
            action_id (required): An identifier for this action.
                You can use this when you receive an interaction payload to identify the source of the action.
                Should be unique among all other action_ids in the containing block.
                Maximum length for this field is 255 characters.
            url: A URL to load in the user&#39;s browser when the button is clicked.
                Maximum length for this field is 3000 characters.
                If you&#39;re using url, you&#39;ll still receive an interaction payload
                and will need to send an acknowledgement response.
            value: The value to send along with the interaction payload.
                Maximum length for this field is 2000 characters.
            style: Decorates buttons with alternative visual color schemes. Use this option with restraint.
                &#34;primary&#34; gives buttons a green outline and text, ideal for affirmation or confirmation actions.
                &#34;primary&#34; should only be used for one button within a set.
                &#34;danger&#34; gives buttons a red outline and text, and should be used when the action is destructive.
                Use &#34;danger&#34; even more sparingly than &#34;primary&#34;.
                If you don&#39;t include this field, the default button style will be used.
            confirm: A confirm object that defines an optional confirmation dialog after the button is clicked.
            accessibility_label: A label for longer descriptive text about a button element.
                This label will be read out by screen readers instead of the button text object.
                Maximum length for this field is 75 characters.
        &#34;&#34;&#34;
        super().__init__(action_id=action_id, type=self.type)
        show_unknown_key_warning(self, others)

        # NOTE: default_type=PlainTextObject.type here is only for backward-compatibility with version 2.5.0
        self.text = TextObject.parse(text, default_type=PlainTextObject.type)
        self.url = url
        self.value = value
        self.style = style
        self.confirm = ConfirmObject.parse(confirm)  # type: ignore[arg-type]
        self.accessibility_label = accessibility_label

    @JsonValidator(f&#34;text attribute cannot exceed {text_max_length} characters&#34;)
    def _validate_text_length(self) -&gt; bool:
        return self.text is None or self.text.text is None or len(self.text.text) &lt;= self.text_max_length

    @JsonValidator(f&#34;url attribute cannot exceed {url_max_length} characters&#34;)
    def _validate_url_length(self) -&gt; bool:
        return self.url is None or len(self.url) &lt;= self.url_max_length

    @JsonValidator(f&#34;value attribute cannot exceed {value_max_length} characters&#34;)
    def _validate_value_length(self) -&gt; bool:
        return self.value is None or len(self.value) &lt;= self.value_max_length

    @EnumValidator(&#34;style&#34;, ButtonStyles)
    def _validate_style_valid(self):
        return self.style is None or self.style in ButtonStyles

    @JsonValidator(f&#34;accessibility_label attribute cannot exceed {text_max_length} characters&#34;)
    def _validate_accessibility_label_length(self) -&gt; bool:
        return self.accessibility_label is None or len(self.accessibility_label) &lt;= self.text_max_length</code></pre>
</details>
<div class="desc"><p>Block Elements are things that exists inside of your Blocks.
<a href="https://docs.slack.dev/reference/block-kit/block-elements/">https://docs.slack.dev/reference/block-kit/block-elements/</a></p>
<p>An interactive element that inserts a button. The button can be a trigger for
anything from opening a simple link to starting a complex workflow.
<a href="https://docs.slack.dev/reference/block-kit/block-elements/button-element/">https://docs.slack.dev/reference/block-kit/block-elements/button-element/</a></p>
<h2 id="args">Args</h2>
<dl>
<dt><strong><code>text</code></strong> :&ensp;<code>required</code></dt>
<dd>A text object that defines the button's text.
Can only be of type: plain_text.
Maximum length for the text in this field is 75 characters.</dd>
<dt><strong><code>action_id</code></strong> :&ensp;<code>required</code></dt>
<dd>An identifier for this action.
You can use this when you receive an interaction payload to identify the source of the action.
Should be unique among all other action_ids in the containing block.
Maximum length for this field is 255 characters.</dd>
<dt><strong><code>url</code></strong></dt>
<dd>A URL to load in the user's browser when the button is clicked.
Maximum length for this field is 3000 characters.
If you're using url, you'll still receive an interaction payload
and will need to send an acknowledgement response.</dd>
<dt><strong><code>value</code></strong></dt>
<dd>The value to send along with the interaction payload.
Maximum length for this field is 2000 characters.</dd>
<dt><strong><code>style</code></strong></dt>
<dd>Decorates buttons with alternative visual color schemes. Use this option with restraint.
"primary" gives buttons a green outline and text, ideal for affirmation or confirmation actions.
"primary" should only be used for one button within a set.
"danger" gives buttons a red outline and text, and should be used when the action is destructive.
Use "danger" even more sparingly than "primary".
If you don't include this field, the default button style will be used.</dd>
<dt><strong><code>confirm</code></strong></dt>
<dd>A confirm object that defines an optional confirmation dialog after the button is clicked.</dd>
<dt><strong><code>accessibility_label</code></strong></dt>
<dd>A label for longer descriptive text about a button element.
This label will be read out by screen readers instead of the button text object.
Maximum length for this field is 75 characters.</dd>
</dl></div>
<h3>Ancestors</h3>
<ul class="hlist">
<li><a title="slack_sdk.models.blocks.block_elements.InteractiveElement" href="#slack_sdk.models.blocks.block_elements.InteractiveElement">InteractiveElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.BlockElement" href="#slack_sdk.models.blocks.block_elements.BlockElement">BlockElement</a></li>
<li><a title="slack_sdk.models.basic_objects.JsonObject" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject">JsonObject</a></li>
<li><a title="slack_sdk.models.basic_objects.BaseObject" href="../basic_objects.html#slack_sdk.models.basic_objects.BaseObject">BaseObject</a></li>
</ul>
<h3>Subclasses</h3>
<ul class="hlist">
<li><a title="slack_sdk.models.blocks.block_elements.LinkButtonElement" href="#slack_sdk.models.blocks.block_elements.LinkButtonElement">LinkButtonElement</a></li>
</ul>
<h3>Class variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.ButtonElement.text_max_length"><code class="name">var <span class="ident">text_max_length</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.ButtonElement.type"><code class="name">var <span class="ident">type</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.ButtonElement.url_max_length"><code class="name">var <span class="ident">url_max_length</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.ButtonElement.value_max_length"><code class="name">var <span class="ident">value_max_length</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
</dl>
<h3>Inherited members</h3>
<ul class="hlist">
<li><code><b><a title="slack_sdk.models.blocks.block_elements.InteractiveElement" href="#slack_sdk.models.blocks.block_elements.InteractiveElement">InteractiveElement</a></b></code>:
<ul class="hlist">
<li><code><a title="slack_sdk.models.blocks.block_elements.InteractiveElement.action_id_max_length" href="#slack_sdk.models.blocks.block_elements.InteractiveElement.action_id_max_length">action_id_max_length</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InteractiveElement.attributes" href="#slack_sdk.models.blocks.block_elements.InteractiveElement.attributes">attributes</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InteractiveElement.get_non_null_attributes" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.get_non_null_attributes">get_non_null_attributes</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InteractiveElement.logger" href="#slack_sdk.models.blocks.block_elements.BlockElement.logger">logger</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InteractiveElement.to_dict" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.to_dict">to_dict</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InteractiveElement.validate_json" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.validate_json">validate_json</a></code></li>
</ul>
</li>
</ul>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.ChannelMultiSelectElement"><code class="flex name class">
<span>class <span class="ident">ChannelMultiSelectElement</span></span>
<span>(</span><span>*,<br>placeholder: str | dict | <a title="slack_sdk.models.blocks.basic_components.TextObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.TextObject">TextObject</a> | None = None,<br>action_id: str | None = None,<br>initial_channels: Sequence[str] | None = None,<br>confirm: dict | <a title="slack_sdk.models.blocks.basic_components.ConfirmObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.ConfirmObject">ConfirmObject</a> | None = None,<br>max_selected_items: int | None = None,<br>focus_on_load: bool | None = None,<br>**others: dict)</span>
</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">class ChannelMultiSelectElement(InputInteractiveElement):
    type = &#34;multi_channels_select&#34;

    @property
    def attributes(self) -&gt; Set[str]:  # type: ignore[override]
        return super().attributes.union({&#34;initial_channels&#34;, &#34;max_selected_items&#34;})

    def __init__(
        self,
        *,
        placeholder: Optional[Union[str, dict, TextObject]] = None,
        action_id: Optional[str] = None,
        initial_channels: Optional[Sequence[str]] = None,
        confirm: Optional[Union[dict, ConfirmObject]] = None,
        max_selected_items: Optional[int] = None,
        focus_on_load: Optional[bool] = None,
        **others: dict,
    ):
        &#34;&#34;&#34;
        This multi-select menu will populate its options with a list of public channels visible
        to the current user in the active workspace.
        https://docs.slack.dev/reference/block-kit/block-elements/multi-select-menu-element#channel_multi_select

        Args:
            placeholder (required): A plain_text only text object that defines the placeholder text shown on the menu.
                Maximum length for the text in this field is 150 characters.
            action_id (required): An identifier for the action triggered when a menu option is selected.
                You can use this when you receive an interaction payload to identify the source of the action.
                Should be unique among all other action_ids in the containing block.
                Maximum length for this field is 255 characters.
            initial_channels: An array of one or more IDs of any valid public channel
                to be pre-selected when the menu loads.
            confirm: A confirm object that defines an optional confirmation dialog that appears
                before the multi-select choices are submitted.
            max_selected_items: Specifies the maximum number of items that can be selected in the menu.
                Minimum number is 1.
            focus_on_load: Indicates whether the element will be set to auto focus within the view object.
                Only one element can be set to true. Defaults to false.
        &#34;&#34;&#34;
        super().__init__(
            type=self.type,
            action_id=action_id,
            placeholder=TextObject.parse(placeholder, PlainTextObject.type),  # type: ignore[arg-type]
            confirm=ConfirmObject.parse(confirm),  # type: ignore[arg-type]
            focus_on_load=focus_on_load,
        )
        show_unknown_key_warning(self, others)

        self.initial_channels = initial_channels
        self.max_selected_items = max_selected_items</code></pre>
</details>
<div class="desc"><p>Block Elements are things that exists inside of your Blocks.
<a href="https://docs.slack.dev/reference/block-kit/block-elements/">https://docs.slack.dev/reference/block-kit/block-elements/</a></p>
<p>This multi-select menu will populate its options with a list of public channels visible
to the current user in the active workspace.
<a href="https://docs.slack.dev/reference/block-kit/block-elements/multi-select-menu-element#channel_multi_select">https://docs.slack.dev/reference/block-kit/block-elements/multi-select-menu-element#channel_multi_select</a></p>
<h2 id="args">Args</h2>
<dl>
<dt><strong><code>placeholder</code></strong> :&ensp;<code>required</code></dt>
<dd>A plain_text only text object that defines the placeholder text shown on the menu.
Maximum length for the text in this field is 150 characters.</dd>
<dt><strong><code>action_id</code></strong> :&ensp;<code>required</code></dt>
<dd>An identifier for the action triggered when a menu option is selected.
You can use this when you receive an interaction payload to identify the source of the action.
Should be unique among all other action_ids in the containing block.
Maximum length for this field is 255 characters.</dd>
<dt><strong><code>initial_channels</code></strong></dt>
<dd>An array of one or more IDs of any valid public channel
to be pre-selected when the menu loads.</dd>
<dt><strong><code>confirm</code></strong></dt>
<dd>A confirm object that defines an optional confirmation dialog that appears
before the multi-select choices are submitted.</dd>
<dt><strong><code>max_selected_items</code></strong></dt>
<dd>Specifies the maximum number of items that can be selected in the menu.
Minimum number is 1.</dd>
<dt><strong><code>focus_on_load</code></strong></dt>
<dd>Indicates whether the element will be set to auto focus within the view object.
Only one element can be set to true. Defaults to false.</dd>
</dl></div>
<h3>Ancestors</h3>
<ul class="hlist">
<li><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement" href="#slack_sdk.models.blocks.block_elements.InputInteractiveElement">InputInteractiveElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.InteractiveElement" href="#slack_sdk.models.blocks.block_elements.InteractiveElement">InteractiveElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.BlockElement" href="#slack_sdk.models.blocks.block_elements.BlockElement">BlockElement</a></li>
<li><a title="slack_sdk.models.basic_objects.JsonObject" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject">JsonObject</a></li>
<li><a title="slack_sdk.models.basic_objects.BaseObject" href="../basic_objects.html#slack_sdk.models.basic_objects.BaseObject">BaseObject</a></li>
</ul>
<h3>Class variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.ChannelMultiSelectElement.type"><code class="name">var <span class="ident">type</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
</dl>
<h3>Instance variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.ChannelMultiSelectElement.attributes"><code class="name">prop <span class="ident">attributes</span> : Set[str]</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">@property
def attributes(self) -&gt; Set[str]:  # type: ignore[override]
    return super().attributes.union({&#34;initial_channels&#34;, &#34;max_selected_items&#34;})</code></pre>
</details>
<div class="desc"><p>Build an unordered collection of unique elements.</p></div>
</dd>
</dl>
<h3>Inherited members</h3>
<ul class="hlist">
<li><code><b><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement" href="#slack_sdk.models.blocks.block_elements.InputInteractiveElement">InputInteractiveElement</a></b></code>:
<ul class="hlist">
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.action_id_max_length" href="#slack_sdk.models.blocks.block_elements.InteractiveElement.action_id_max_length">action_id_max_length</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.get_non_null_attributes" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.get_non_null_attributes">get_non_null_attributes</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.logger" href="#slack_sdk.models.blocks.block_elements.BlockElement.logger">logger</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.placeholder_max_length" href="#slack_sdk.models.blocks.block_elements.InputInteractiveElement.placeholder_max_length">placeholder_max_length</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.to_dict" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.to_dict">to_dict</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.validate_json" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.validate_json">validate_json</a></code></li>
</ul>
</li>
</ul>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.ChannelSelectElement"><code class="flex name class">
<span>class <span class="ident">ChannelSelectElement</span></span>
<span>(</span><span>*,<br>placeholder: str | dict | <a title="slack_sdk.models.blocks.basic_components.TextObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.TextObject">TextObject</a> | None = None,<br>action_id: str | None = None,<br>initial_channel: str | None = None,<br>confirm: dict | <a title="slack_sdk.models.blocks.basic_components.ConfirmObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.ConfirmObject">ConfirmObject</a> | None = None,<br>response_url_enabled: bool | None = None,<br>focus_on_load: bool | None = None,<br>**others: dict)</span>
</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">class ChannelSelectElement(InputInteractiveElement):
    type = &#34;channels_select&#34;

    @property
    def attributes(self) -&gt; Set[str]:  # type: ignore[override]
        return super().attributes.union({&#34;initial_channel&#34;, &#34;response_url_enabled&#34;})

    def __init__(
        self,
        *,
        placeholder: Optional[Union[str, dict, TextObject]] = None,
        action_id: Optional[str] = None,
        initial_channel: Optional[str] = None,
        confirm: Optional[Union[dict, ConfirmObject]] = None,
        response_url_enabled: Optional[bool] = None,
        focus_on_load: Optional[bool] = None,
        **others: dict,
    ):
        &#34;&#34;&#34;
        This select menu will populate its options with a list of public channels
        visible to the current user in the active workspace.
        https://docs.slack.dev/reference/block-kit/block-elements/select-menu-element/#channels_select

        Args:
            placeholder (required): A plain_text only text object that defines the placeholder text shown on the menu.
                Maximum length for the text in this field is 150 characters.
            action_id (required): An identifier for the action triggered when a menu option is selected.
                You can use this when you receive an interaction payload to identify the source of the action.
                Should be unique among all other action_ids in the containing block.
                Maximum length for this field is 255 characters.
            initial_channel: The ID of any valid public channel to be pre-selected when the menu loads.
            confirm: A confirm object that defines an optional confirmation dialog that appears
                after a menu item is selected.
            response_url_enabled: This field only works with menus in input blocks in modals.
                When set to true, the view_submission payload from the menu&#39;s parent view will contain a response_url.
                This response_url can be used for message responses.
                The target channel for the message will be determined by the value of this select menu
            focus_on_load: Indicates whether the element will be set to auto focus within the view object.
                Only one element can be set to true. Defaults to false.
        &#34;&#34;&#34;
        super().__init__(
            type=self.type,
            action_id=action_id,
            placeholder=TextObject.parse(placeholder, PlainTextObject.type),  # type: ignore[arg-type]
            confirm=ConfirmObject.parse(confirm),  # type: ignore[arg-type]
            focus_on_load=focus_on_load,
        )
        show_unknown_key_warning(self, others)

        self.initial_channel = initial_channel
        self.response_url_enabled = response_url_enabled</code></pre>
</details>
<div class="desc"><p>Block Elements are things that exists inside of your Blocks.
<a href="https://docs.slack.dev/reference/block-kit/block-elements/">https://docs.slack.dev/reference/block-kit/block-elements/</a></p>
<p>This select menu will populate its options with a list of public channels
visible to the current user in the active workspace.
<a href="https://docs.slack.dev/reference/block-kit/block-elements/select-menu-element/#channels_select">https://docs.slack.dev/reference/block-kit/block-elements/select-menu-element/#channels_select</a></p>
<h2 id="args">Args</h2>
<dl>
<dt><strong><code>placeholder</code></strong> :&ensp;<code>required</code></dt>
<dd>A plain_text only text object that defines the placeholder text shown on the menu.
Maximum length for the text in this field is 150 characters.</dd>
<dt><strong><code>action_id</code></strong> :&ensp;<code>required</code></dt>
<dd>An identifier for the action triggered when a menu option is selected.
You can use this when you receive an interaction payload to identify the source of the action.
Should be unique among all other action_ids in the containing block.
Maximum length for this field is 255 characters.</dd>
<dt><strong><code>initial_channel</code></strong></dt>
<dd>The ID of any valid public channel to be pre-selected when the menu loads.</dd>
<dt><strong><code>confirm</code></strong></dt>
<dd>A confirm object that defines an optional confirmation dialog that appears
after a menu item is selected.</dd>
<dt><strong><code>response_url_enabled</code></strong></dt>
<dd>This field only works with menus in input blocks in modals.
When set to true, the view_submission payload from the menu's parent view will contain a response_url.
This response_url can be used for message responses.
The target channel for the message will be determined by the value of this select menu</dd>
<dt><strong><code>focus_on_load</code></strong></dt>
<dd>Indicates whether the element will be set to auto focus within the view object.
Only one element can be set to true. Defaults to false.</dd>
</dl></div>
<h3>Ancestors</h3>
<ul class="hlist">
<li><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement" href="#slack_sdk.models.blocks.block_elements.InputInteractiveElement">InputInteractiveElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.InteractiveElement" href="#slack_sdk.models.blocks.block_elements.InteractiveElement">InteractiveElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.BlockElement" href="#slack_sdk.models.blocks.block_elements.BlockElement">BlockElement</a></li>
<li><a title="slack_sdk.models.basic_objects.JsonObject" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject">JsonObject</a></li>
<li><a title="slack_sdk.models.basic_objects.BaseObject" href="../basic_objects.html#slack_sdk.models.basic_objects.BaseObject">BaseObject</a></li>
</ul>
<h3>Class variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.ChannelSelectElement.type"><code class="name">var <span class="ident">type</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
</dl>
<h3>Instance variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.ChannelSelectElement.attributes"><code class="name">prop <span class="ident">attributes</span> : Set[str]</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">@property
def attributes(self) -&gt; Set[str]:  # type: ignore[override]
    return super().attributes.union({&#34;initial_channel&#34;, &#34;response_url_enabled&#34;})</code></pre>
</details>
<div class="desc"><p>Build an unordered collection of unique elements.</p></div>
</dd>
</dl>
<h3>Inherited members</h3>
<ul class="hlist">
<li><code><b><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement" href="#slack_sdk.models.blocks.block_elements.InputInteractiveElement">InputInteractiveElement</a></b></code>:
<ul class="hlist">
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.action_id_max_length" href="#slack_sdk.models.blocks.block_elements.InteractiveElement.action_id_max_length">action_id_max_length</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.get_non_null_attributes" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.get_non_null_attributes">get_non_null_attributes</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.logger" href="#slack_sdk.models.blocks.block_elements.BlockElement.logger">logger</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.placeholder_max_length" href="#slack_sdk.models.blocks.block_elements.InputInteractiveElement.placeholder_max_length">placeholder_max_length</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.to_dict" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.to_dict">to_dict</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.validate_json" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.validate_json">validate_json</a></code></li>
</ul>
</li>
</ul>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.CheckboxesElement"><code class="flex name class">
<span>class <span class="ident">CheckboxesElement</span></span>
<span>(</span><span>*,<br>action_id: str | None = None,<br>options: Sequence[dict | <a title="slack_sdk.models.blocks.basic_components.Option" href="basic_components.html#slack_sdk.models.blocks.basic_components.Option">Option</a>] | None = None,<br>initial_options: Sequence[dict | <a title="slack_sdk.models.blocks.basic_components.Option" href="basic_components.html#slack_sdk.models.blocks.basic_components.Option">Option</a>] | None = None,<br>confirm: dict | <a title="slack_sdk.models.blocks.basic_components.ConfirmObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.ConfirmObject">ConfirmObject</a> | None = None,<br>focus_on_load: bool | None = None,<br>**others: dict)</span>
</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">class CheckboxesElement(InputInteractiveElement):
    type = &#34;checkboxes&#34;

    @property
    def attributes(self) -&gt; Set[str]:  # type: ignore[override]
        return super().attributes.union({&#34;options&#34;, &#34;initial_options&#34;})

    def __init__(
        self,
        *,
        action_id: Optional[str] = None,
        options: Optional[Sequence[Union[dict, Option]]] = None,
        initial_options: Optional[Sequence[Union[dict, Option]]] = None,
        confirm: Optional[Union[dict, ConfirmObject]] = None,
        focus_on_load: Optional[bool] = None,
        **others: dict,
    ):
        &#34;&#34;&#34;A checkbox group that allows a user to choose multiple items from a list of possible options.
        https://docs.slack.dev/reference/block-kit/block-elements/checkboxes-element/

        Args:
            action_id (required): An identifier for the action triggered when the checkbox group is changed.
                You can use this when you receive an interaction payload to identify the source of the action.
                Should be unique among all other action_ids in the containing block.
                Maximum length for this field is 255 characters.
            options (required): An array of option objects. A maximum of 10 options are allowed.
            initial_options: An array of option objects that exactly matches one or more of the options.
                These options will be selected when the checkbox group initially loads.
            confirm: A confirm object that defines an optional confirmation dialog that appears
                after clicking one of the checkboxes in this element.
            focus_on_load: Indicates whether the element will be set to auto focus within the view object.
                Only one element can be set to true. Defaults to false.
        &#34;&#34;&#34;
        super().__init__(
            type=self.type,
            action_id=action_id,
            confirm=ConfirmObject.parse(confirm),  # type: ignore[arg-type]
            focus_on_load=focus_on_load,
        )
        show_unknown_key_warning(self, others)

        self.options = Option.parse_all(options)
        self.initial_options = Option.parse_all(initial_options)</code></pre>
</details>
<div class="desc"><p>Block Elements are things that exists inside of your Blocks.
<a href="https://docs.slack.dev/reference/block-kit/block-elements/">https://docs.slack.dev/reference/block-kit/block-elements/</a></p>
<p>A checkbox group that allows a user to choose multiple items from a list of possible options.
<a href="https://docs.slack.dev/reference/block-kit/block-elements/checkboxes-element/">https://docs.slack.dev/reference/block-kit/block-elements/checkboxes-element/</a></p>
<h2 id="args">Args</h2>
<dl>
<dt><strong><code>action_id</code></strong> :&ensp;<code>required</code></dt>
<dd>An identifier for the action triggered when the checkbox group is changed.
You can use this when you receive an interaction payload to identify the source of the action.
Should be unique among all other action_ids in the containing block.
Maximum length for this field is 255 characters.</dd>
<dt><strong><code>options</code></strong> :&ensp;<code>required</code></dt>
<dd>An array of option objects. A maximum of 10 options are allowed.</dd>
<dt><strong><code>initial_options</code></strong></dt>
<dd>An array of option objects that exactly matches one or more of the options.
These options will be selected when the checkbox group initially loads.</dd>
<dt><strong><code>confirm</code></strong></dt>
<dd>A confirm object that defines an optional confirmation dialog that appears
after clicking one of the checkboxes in this element.</dd>
<dt><strong><code>focus_on_load</code></strong></dt>
<dd>Indicates whether the element will be set to auto focus within the view object.
Only one element can be set to true. Defaults to false.</dd>
</dl></div>
<h3>Ancestors</h3>
<ul class="hlist">
<li><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement" href="#slack_sdk.models.blocks.block_elements.InputInteractiveElement">InputInteractiveElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.InteractiveElement" href="#slack_sdk.models.blocks.block_elements.InteractiveElement">InteractiveElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.BlockElement" href="#slack_sdk.models.blocks.block_elements.BlockElement">BlockElement</a></li>
<li><a title="slack_sdk.models.basic_objects.JsonObject" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject">JsonObject</a></li>
<li><a title="slack_sdk.models.basic_objects.BaseObject" href="../basic_objects.html#slack_sdk.models.basic_objects.BaseObject">BaseObject</a></li>
</ul>
<h3>Class variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.CheckboxesElement.type"><code class="name">var <span class="ident">type</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
</dl>
<h3>Instance variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.CheckboxesElement.attributes"><code class="name">prop <span class="ident">attributes</span> : Set[str]</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">@property
def attributes(self) -&gt; Set[str]:  # type: ignore[override]
    return super().attributes.union({&#34;options&#34;, &#34;initial_options&#34;})</code></pre>
</details>
<div class="desc"><p>Build an unordered collection of unique elements.</p></div>
</dd>
</dl>
<h3>Inherited members</h3>
<ul class="hlist">
<li><code><b><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement" href="#slack_sdk.models.blocks.block_elements.InputInteractiveElement">InputInteractiveElement</a></b></code>:
<ul class="hlist">
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.action_id_max_length" href="#slack_sdk.models.blocks.block_elements.InteractiveElement.action_id_max_length">action_id_max_length</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.get_non_null_attributes" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.get_non_null_attributes">get_non_null_attributes</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.logger" href="#slack_sdk.models.blocks.block_elements.BlockElement.logger">logger</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.placeholder_max_length" href="#slack_sdk.models.blocks.block_elements.InputInteractiveElement.placeholder_max_length">placeholder_max_length</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.to_dict" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.to_dict">to_dict</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.validate_json" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.validate_json">validate_json</a></code></li>
</ul>
</li>
</ul>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.ConversationFilter"><code class="flex name class">
<span>class <span class="ident">ConversationFilter</span></span>
<span>(</span><span>*,<br>include: Sequence[str] | None = None,<br>exclude_bot_users: bool | None = None,<br>exclude_external_shared_channels: bool | None = None)</span>
</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">class ConversationFilter(JsonObject):
    attributes = {&#34;include&#34;, &#34;exclude_bot_users&#34;, &#34;exclude_external_shared_channels&#34;}
    logger = logging.getLogger(__name__)

    def __init__(
        self,
        *,
        include: Optional[Sequence[str]] = None,
        exclude_bot_users: Optional[bool] = None,
        exclude_external_shared_channels: Optional[bool] = None,
    ):
        &#34;&#34;&#34;Provides a way to filter the list of options in a conversations select menu
        or conversations multi-select menu.
        https://docs.slack.dev/reference/block-kit/composition-objects/conversation-filter-object

        Args:
            include: Indicates which type of conversations should be included in the list.
                When this field is provided, any conversations that do not match will be excluded.
                You should provide an array of strings from the following options:
                &#34;im&#34;, &#34;mpim&#34;, &#34;private&#34;, and &#34;public&#34;. The array cannot be empty.
            exclude_bot_users: Indicates whether to exclude bot users from conversation lists. Defaults to false.
            exclude_external_shared_channels: Indicates whether to exclude external shared channels
                from conversation lists. Defaults to false.
        &#34;&#34;&#34;
        self.include = include
        self.exclude_bot_users = exclude_bot_users
        self.exclude_external_shared_channels = exclude_external_shared_channels

    @classmethod
    def parse(cls, filter: Union[dict, &#34;ConversationFilter&#34;]):
        if filter is None:
            return None
        elif isinstance(filter, ConversationFilter):
            return filter
        elif isinstance(filter, dict):
            d = copy.copy(filter)
            return ConversationFilter(**d)
        else:
            cls.logger.warning(f&#34;Unknown conversation filter object detected and skipped ({filter})&#34;)
            return None</code></pre>
</details>
<div class="desc"><p>The base class for JSON serializable class objects</p>
<p>Provides a way to filter the list of options in a conversations select menu
or conversations multi-select menu.
<a href="https://docs.slack.dev/reference/block-kit/composition-objects/conversation-filter-object">https://docs.slack.dev/reference/block-kit/composition-objects/conversation-filter-object</a></p>
<h2 id="args">Args</h2>
<dl>
<dt><strong><code>include</code></strong></dt>
<dd>Indicates which type of conversations should be included in the list.
When this field is provided, any conversations that do not match will be excluded.
You should provide an array of strings from the following options:
"im", "mpim", "private", and "public". The array cannot be empty.</dd>
<dt><strong><code>exclude_bot_users</code></strong></dt>
<dd>Indicates whether to exclude bot users from conversation lists. Defaults to false.</dd>
<dt><strong><code>exclude_external_shared_channels</code></strong></dt>
<dd>Indicates whether to exclude external shared channels
from conversation lists. Defaults to false.</dd>
</dl></div>
<h3>Ancestors</h3>
<ul class="hlist">
<li><a title="slack_sdk.models.basic_objects.JsonObject" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject">JsonObject</a></li>
<li><a title="slack_sdk.models.basic_objects.BaseObject" href="../basic_objects.html#slack_sdk.models.basic_objects.BaseObject">BaseObject</a></li>
</ul>
<h3>Class variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.ConversationFilter.attributes"><code class="name">var <span class="ident">attributes</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.ConversationFilter.logger"><code class="name">var <span class="ident">logger</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
</dl>
<h3>Static methods</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.ConversationFilter.parse"><code class="name flex">
<span>def <span class="ident">parse</span></span>(<span>filter: dict | ForwardRef('<a title="slack_sdk.models.blocks.block_elements.ConversationFilter" href="#slack_sdk.models.blocks.block_elements.ConversationFilter">ConversationFilter</a>'))</span>
</code></dt>
<dd>
<div class="desc"></div>
</dd>
</dl>
<h3>Inherited members</h3>
<ul class="hlist">
<li><code><b><a title="slack_sdk.models.basic_objects.JsonObject" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject">JsonObject</a></b></code>:
<ul class="hlist">
<li><code><a title="slack_sdk.models.basic_objects.JsonObject.get_non_null_attributes" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.get_non_null_attributes">get_non_null_attributes</a></code></li>
<li><code><a title="slack_sdk.models.basic_objects.JsonObject.to_dict" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.to_dict">to_dict</a></code></li>
<li><code><a title="slack_sdk.models.basic_objects.JsonObject.validate_json" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.validate_json">validate_json</a></code></li>
</ul>
</li>
</ul>
</dd>
<dt id="slack_sdk.models.blocks.block_elements.ConversationMultiSelectElement"><code class="flex name class">
<span>class <span class="ident">ConversationMultiSelectElement</span></span>
<span>(</span><span>*,<br>placeholder: str | dict | <a title="slack_sdk.models.blocks.basic_components.TextObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.TextObject">TextObject</a> | None = None,<br>action_id: str | None = None,<br>initial_conversations: Sequence[str] | None = None,<br>confirm: dict | <a title="slack_sdk.models.blocks.basic_components.ConfirmObject" href="basic_components.html#slack_sdk.models.blocks.basic_components.ConfirmObject">ConfirmObject</a> | None = None,<br>max_selected_items: int | None = None,<br>default_to_current_conversation: bool | None = None,<br>filter: dict | <a title="slack_sdk.models.blocks.block_elements.ConversationFilter" href="#slack_sdk.models.blocks.block_elements.ConversationFilter">ConversationFilter</a> | None = None,<br>focus_on_load: bool | None = None,<br>**others: dict)</span>
</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">class ConversationMultiSelectElement(InputInteractiveElement):
    type = &#34;multi_conversations_select&#34;

    @property
    def attributes(self) -&gt; Set[str]:  # type: ignore[override]
        return super().attributes.union(
            {
                &#34;initial_conversations&#34;,
                &#34;max_selected_items&#34;,
                &#34;default_to_current_conversation&#34;,
                &#34;filter&#34;,
            }
        )

    def __init__(
        self,
        *,
        placeholder: Optional[Union[str, dict, TextObject]] = None,
        action_id: Optional[str] = None,
        initial_conversations: Optional[Sequence[str]] = None,
        confirm: Optional[Union[dict, ConfirmObject]] = None,
        max_selected_items: Optional[int] = None,
        default_to_current_conversation: Optional[bool] = None,
        filter: Optional[Union[dict, ConversationFilter]] = None,
        focus_on_load: Optional[bool] = None,
        **others: dict,
    ):
        &#34;&#34;&#34;
        This multi-select menu will populate its options with a list of public and private channels,
        DMs, and MPIMs visible to the current user in the active workspace.
        https://docs.slack.dev/reference/block-kit/block-elements/multi-select-menu-element/#conversation_multi_select

        Args:
            placeholder (required): A plain_text only text object that defines the placeholder text shown on the menu.
                Maximum length for the text in this field is 150 characters.
            action_id (required): An identifier for the action triggered when a menu option is selected.
                You can use this when you receive an interaction payload to identify the source of the action.
                Should be unique among all other action_ids in the containing block.
                Maximum length for this field is 255 characters.
            initial_conversations: An array of one or more IDs of any valid conversations to be pre-selected
                when the menu loads. If default_to_current_conversation is also supplied,
                initial_conversations will be ignored.
            confirm: A confirm object that defines an optional confirmation dialog that appears
                before the multi-select choices are submitted.
            max_selected_items: Specifies the maximum number of items that can be selected in the menu.
                Minimum number is 1.
            default_to_current_conversation: Pre-populates the select menu with the conversation that
                the user was viewing when they opened the modal, if available. Default is false.
            filter: A filter object that reduces the list of available conversations using the specified criteria.
            focus_on_load: Indicates whether the element will be set to auto focus within the view object.
                Only one element can be set to true. Defaults to false.
        &#34;&#34;&#34;
        super().__init__(
            type=self.type,
            action_id=action_id,
            placeholder=TextObject.parse(placeholder, PlainTextObject.type),  # type: ignore[arg-type]
            confirm=ConfirmObject.parse(confirm),  # type: ignore[arg-type]
            focus_on_load=focus_on_load,
        )
        show_unknown_key_warning(self, others)

        self.initial_conversations = initial_conversations
        self.max_selected_items = max_selected_items
        self.default_to_current_conversation = default_to_current_conversation
        self.filter = ConversationFilter.parse(filter)  # type: ignore[arg-type]</code></pre>
</details>
<div class="desc"><p>Block Elements are things that exists inside of your Blocks.
<a href="https://docs.slack.dev/reference/block-kit/block-elements/">https://docs.slack.dev/reference/block-kit/block-elements/</a></p>
<p>This multi-select menu will populate its options with a list of public and private channels,
DMs, and MPIMs visible to the current user in the active workspace.
<a href="https://docs.slack.dev/reference/block-kit/block-elements/multi-select-menu-element/#conversation_multi_select">https://docs.slack.dev/reference/block-kit/block-elements/multi-select-menu-element/#conversation_multi_select</a></p>
<h2 id="args">Args</h2>
<dl>
<dt><strong><code>placeholder</code></strong> :&ensp;<code>required</code></dt>
<dd>A plain_text only text object that defines the placeholder text shown on the menu.
Maximum length for the text in this field is 150 characters.</dd>
<dt><strong><code>action_id</code></strong> :&ensp;<code>required</code></dt>
<dd>An identifier for the action triggered when a menu option is selected.
You can use this when you receive an interaction payload to identify the source of the action.
Should be unique among all other action_ids in the containing block.
Maximum length for this field is 255 characters.</dd>
<dt><strong><code>initial_conversations</code></strong></dt>
<dd>An array of one or more IDs of any valid conversations to be pre-selected
when the menu loads. If default_to_current_conversation is also supplied,
initial_conversations will be ignored.</dd>
<dt><strong><code>confirm</code></strong></dt>
<dd>A confirm object that defines an optional confirmation dialog that appears
before the multi-select choices are submitted.</dd>
<dt><strong><code>max_selected_items</code></strong></dt>
<dd>Specifies the maximum number of items that can be selected in the menu.
Minimum number is 1.</dd>
<dt><strong><code>default_to_current_conversation</code></strong></dt>
<dd>Pre-populates the select menu with the conversation that
the user was viewing when they opened the modal, if available. Default is false.</dd>
<dt><strong><code>filter</code></strong></dt>
<dd>A filter object that reduces the list of available conversations using the specified criteria.</dd>
<dt><strong><code>focus_on_load</code></strong></dt>
<dd>Indicates whether the element will be set to auto focus within the view object.
Only one element can be set to true. Defaults to false.</dd>
</dl></div>
<h3>Ancestors</h3>
<ul class="hlist">
<li><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement" href="#slack_sdk.models.blocks.block_elements.InputInteractiveElement">InputInteractiveElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.InteractiveElement" href="#slack_sdk.models.blocks.block_elements.InteractiveElement">InteractiveElement</a></li>
<li><a title="slack_sdk.models.blocks.block_elements.BlockElement" href="#slack_sdk.models.blocks.block_elements.BlockElement">BlockElement</a></li>
<li><a title="slack_sdk.models.basic_objects.JsonObject" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject">JsonObject</a></li>
<li><a title="slack_sdk.models.basic_objects.BaseObject" href="../basic_objects.html#slack_sdk.models.basic_objects.BaseObject">BaseObject</a></li>
</ul>
<h3>Class variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.ConversationMultiSelectElement.type"><code class="name">var <span class="ident">type</span></code></dt>
<dd>
<div class="desc"><p>The type of the None singleton.</p></div>
</dd>
</dl>
<h3>Instance variables</h3>
<dl>
<dt id="slack_sdk.models.blocks.block_elements.ConversationMultiSelectElement.attributes"><code class="name">prop <span class="ident">attributes</span> : Set[str]</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">@property
def attributes(self) -&gt; Set[str]:  # type: ignore[override]
    return super().attributes.union(
        {
            &#34;initial_conversations&#34;,
            &#34;max_selected_items&#34;,
            &#34;default_to_current_conversation&#34;,
            &#34;filter&#34;,
        }
    )</code></pre>
</details>
<div class="desc"><p>Build an unordered collection of unique elements.</p></div>
</dd>
</dl>
<h3>Inherited members</h3>
<ul class="hlist">
<li><code><b><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement" href="#slack_sdk.models.blocks.block_elements.InputInteractiveElement">InputInteractiveElement</a></b></code>:
<ul class="hlist">
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.action_id_max_length" href="#slack_sdk.models.blocks.block_elements.InteractiveElement.action_id_max_length">action_id_max_length</a></code></li>
<li><code><a title="slack_sdk.models.blocks.block_elements.InputInteractiveElement.get_non_null_attributes" href="../basic_objects.html#slack_sdk.models.basic_objects.JsonObject.get_non_null_attributes">get_non_null_attributes</a></code></li>