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Add support for shared channels to: teams channel member add #7133

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Add support for shared channels to: teams channel member add #7133

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f06b028
Initial plan
Copilot Feb 16, 2026
89e1def
fix(teams): allow adding members to shared channels
Copilot Feb 16, 2026
110eab2
Fix `teams channel member add` validation to support shared channels
adamlonsdale Feb 16, 2026
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41 changes: 39 additions & 2 deletions src/m365/teams/commands/channel/channel-member-add.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,18 @@ describe(commands.CHANNEL_MEMBER_ADD, () => {
]
};

const singleSharedChannelResponse: any = {
"@odata.context": "https://graph.microsoft.com/v1.0/$metadata#teams('47d6625d-a540-4b59-a4ab-19b787e40593')/channels",
"@odata.count": 1,
"value": [
{
"id": "19:sharedchannelid@thread.tacv2",
"displayName": "Shared Channel",
"membershipType": "shared"
}
]
};

const channelIdResponse: any = {
"@odata.context": "https://graph.microsoft.com/v1.0/$metadata#teams('47d6625d-a540-4b59-a4ab-19b787e40593')/channels/$entity",
"id": "19:586a8b9e36c4479bbbd378e439a96df2@thread.skype",
Expand Down Expand Up @@ -225,6 +237,10 @@ describe(commands.CHANNEL_MEMBER_ADD, () => {
return singleChannelResponse;
}

if (opts.url === `https://graph.microsoft.com/v1.0/teams/${formatting.encodeQueryParameter('47d6625d-a540-4b59-a4ab-19b787e40593')}/channels?$filter=displayName eq '${formatting.encodeQueryParameter('Shared Channel')}'`) {
return singleSharedChannelResponse;
}

throw 'Invalid request';
});
log = [];
Expand Down Expand Up @@ -443,6 +459,27 @@ describe(commands.CHANNEL_MEMBER_ADD, () => {
assert(loggerLogSpy.notCalled);
});

it('adds conversation members using teamId, shared channelName, and userIds', async () => {
sinonUtil.restore(request.post);
sinon.stub(request, 'post').callsFake(async (opts) => {
if (opts.url === `https://graph.microsoft.com/v1.0/teams/${formatting.encodeQueryParameter('47d6625d-a540-4b59-a4ab-19b787e40593')}/channels/${formatting.encodeQueryParameter('19:sharedchannelid@thread.tacv2')}/members`) {
return conversationMembersOwnerResponse;
}

throw 'Invalid request';
});

await command.action(logger, {
options: {
teamId: "47d6625d-a540-4b59-a4ab-19b787e40593",
channelName: "Shared Channel",
userIds: "admin@contoso.com",
owner: true
}
});
assert(loggerLogSpy.notCalled);
});

it('fails adding conversation members with invalid channelName', async () => {
sinonUtil.restore(request.get);
sinon.stub(request, 'get').callsFake(async (opts) => {
Expand All @@ -469,7 +506,7 @@ describe(commands.CHANNEL_MEMBER_ADD, () => {
} as any), new CommandError(`The specified channel 'Other Private Channel' does not exist in the Microsoft Teams team with ID '47d6625d-a540-4b59-a4ab-19b787e40593'`));
});

it('fails to get channel when channel does is not private', async () => {
it('fails to get channel when channel is not private or shared', async () => {
sinonUtil.restore(request.get);
sinon.stub(request, 'get').callsFake(async (opts) => {
if (opts.url === `https://graph.microsoft.com/v1.0/groups?$filter=displayName eq '${formatting.encodeQueryParameter('Human Resources')}'`) {
Expand All @@ -495,7 +532,7 @@ describe(commands.CHANNEL_MEMBER_ADD, () => {
teamId: "47d6625d-a540-4b59-a4ab-19b787e40593",
channelName: "Other Channel"
}
} as any), new CommandError('The specified channel is not a private channel'));
} as any), new CommandError('The specified channel is not a private or shared channel'));
});

it('fails when group has no team', async () => {
Expand Down
6 changes: 3 additions & 3 deletions src/m365/teams/commands/channel/channel-member-add.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -180,8 +180,8 @@ class TeamsChannelMemberAddCommand extends GraphCommand {
throw `The specified channel '${args.options.channelName}' does not exist in the Microsoft Teams team with ID '${teamId}'`;
}

if (channelItem.membershipType !== "private") {
throw `The specified channel is not a private channel`;
if (channelItem.membershipType !== 'private' && channelItem.membershipType !== 'shared') {
throw 'The specified channel is not a private or shared channel';
}

return channelItem.id!;
Expand Down Expand Up @@ -228,4 +228,4 @@ class TeamsChannelMemberAddCommand extends GraphCommand {
}
}

export default new TeamsChannelMemberAddCommand();
export default new TeamsChannelMemberAddCommand();