diff --git a/types/aws-lambda/test/cognito-tests.ts b/types/aws-lambda/test/cognito-tests.ts
index f7df84624611f5..9ea643d30090f4 100644
--- a/types/aws-lambda/test/cognito-tests.ts
+++ b/types/aws-lambda/test/cognito-tests.ts
@@ -379,6 +379,7 @@ const customEmailSender: CustomEmailSenderTriggerHandler = async (event, _, call
     triggerSource === "CustomEmailSender_UpdateUserAttribute";
     triggerSource === "CustomEmailSender_ResendCode";
     triggerSource === "CustomEmailSender_SignUp";
+    triggerSource === "CustomEmailSender_Authentication";
     triggerSource === "CustomEmailSender_AccountTakeOverNotification";
 };
 
diff --git a/types/aws-lambda/trigger/cognito-user-pool-trigger/custom-email-sender.d.ts b/types/aws-lambda/trigger/cognito-user-pool-trigger/custom-email-sender.d.ts
index be6b4df5dd46f1..77e174dba75735 100644
--- a/types/aws-lambda/trigger/cognito-user-pool-trigger/custom-email-sender.d.ts
+++ b/types/aws-lambda/trigger/cognito-user-pool-trigger/custom-email-sender.d.ts
@@ -50,6 +50,10 @@ export interface CustomEmailSenderAdminCreateUserTriggerEvent
     extends BaseCustomEmailSenderTriggerEvent<"CustomEmailSender_AdminCreateUser">
 {}
 
+export interface CustomEmailSenderAuthenticationTriggerEvent
+    extends BaseCustomEmailSenderTriggerEvent<"CustomEmailSender_Authentication">
+{}
+
 export interface CustomEmailSenderAccountTakeOverNotificationTriggerEvent
     extends BaseTriggerEvent<"CustomEmailSender_AccountTakeOverNotification">
 {
@@ -71,6 +75,7 @@ export type CustomEmailSenderTriggerEvent =
     | CustomEmailSenderUpdateUserAttributeTriggerEvent
     | CustomEmailSenderVerifyUserAttributeTriggerEvent
     | CustomEmailSenderAdminCreateUserTriggerEvent
+    | CustomEmailSenderAuthenticationTriggerEvent
     | CustomEmailSenderAccountTakeOverNotificationTriggerEvent;
 
 export type CustomEmailSenderTriggerHandler = Handler<CustomEmailSenderTriggerEvent>;
diff --git a/types/react-grid-layout/index.d.ts b/types/react-grid-layout/index.d.ts
index b09063fe9defce..51f98b39733daa 100644
--- a/types/react-grid-layout/index.d.ts
+++ b/types/react-grid-layout/index.d.ts
@@ -247,7 +247,10 @@ declare namespace ReactGridLayout {
         /**
          * Defines custom component for resize handle
          */
-        resizeHandle?: React.ReactNode | ((resizeHandle: ResizeHandle) => React.ReactNode) | undefined;
+        resizeHandle?:
+            | React.ReactNode
+            | ((resizeHandleAxis: ResizeHandle, ref: React.Ref<HTMLElement>) => React.ReactNode)
+            | undefined;
 
         /**
          * Calls when drag starts.
diff --git a/types/react-grid-layout/react-grid-layout-tests.tsx b/types/react-grid-layout/react-grid-layout-tests.tsx
index b11462c946a8bf..72b2768091d1e6 100644
--- a/types/react-grid-layout/react-grid-layout-tests.tsx
+++ b/types/react-grid-layout/react-grid-layout-tests.tsx
@@ -106,3 +106,35 @@ class InnerRefCallbackTest extends React.Component {
         return <ReactGridLayout innerRef={(_: HTMLDivElement | null) => {}} />;
     }
 }
+
+class ResizeHandleFunctionTest extends React.Component {
+    render() {
+        return (
+            <ReactGridLayout
+                resizeHandle={(resizeHandleAxis, ref) => (
+                    <div ref={ref as React.Ref<HTMLDivElement>} className={`custom-handle-${resizeHandleAxis}`}>
+                        {resizeHandleAxis}
+                    </div>
+                )}
+            />
+        );
+    }
+}
+
+class ResizeHandleElementTest extends React.Component {
+    render() {
+        return <ReactGridLayout resizeHandle={<div className="custom-handle" />} />;
+    }
+}
+
+class ResizeHandleResponsiveTest extends React.Component {
+    render() {
+        return (
+            <Responsive
+                resizeHandle={(axis, ref) => {
+                    return <span ref={ref} data-axis={axis} />;
+                }}
+            />
+        );
+    }
+}