ChimeSDKMessaging / Client / create_channel_membership



Adds a member to a channel. The InvitedBy field in ChannelMembership is derived from the request header. A channel member can:

  • List messages

  • Send messages

  • Receive messages

  • Edit their own messages

  • Leave the channel

Privacy settings impact this action as follows:

  • Public Channels: You do not need to be a member to list messages, but you must be a member to send messages.

  • Private Channels: You must be a member to list or send messages.


The x-amz-chime-bearer request header is mandatory. Use the ARN of the AppInstanceUserArn or AppInstanceBot that makes the API call as the value in the header.

See also: AWS API Documentation

Request Syntax

response = client.create_channel_membership(
  • ChannelArn (string) –


    The ARN of the channel to which you’re adding users.

  • MemberArn (string) –


    The AppInstanceUserArn of the member you want to add to the channel.

  • Type (string) –


    The membership type of a user, DEFAULT or HIDDEN. Default members are always returned as part of ListChannelMemberships. Hidden members are only returned if the type filter in ListChannelMemberships equals HIDDEN. Otherwise hidden members are not returned. This is only supported by moderators.

  • ChimeBearer (string) –


    The ARN of the AppInstanceUser or AppInstanceBot that makes the API call.

  • SubChannelId (string) –

    The ID of the SubChannel in the request.


    Only required when creating membership in a SubChannel for a moderator in an elastic channel.

Return type:



Response Syntax

    'ChannelArn': 'string',
    'Member': {
        'Arn': 'string',
        'Name': 'string'
    'SubChannelId': 'string'

Response Structure

  • (dict) –

    • ChannelArn (string) –

      The ARN of the channel.

    • Member (dict) –

      The ARN and metadata of the member being added.

      • Arn (string) –

        The ARN in an Identity.

      • Name (string) –

        The name in an Identity.

    • SubChannelId (string) –

      The ID of the SubChannel in the response.


  • ChimeSDKMessaging.Client.exceptions.BadRequestException

  • ChimeSDKMessaging.Client.exceptions.NotFoundException

  • ChimeSDKMessaging.Client.exceptions.ForbiddenException

  • ChimeSDKMessaging.Client.exceptions.UnauthorizedClientException

  • ChimeSDKMessaging.Client.exceptions.ConflictException

  • ChimeSDKMessaging.Client.exceptions.ResourceLimitExceededException

  • ChimeSDKMessaging.Client.exceptions.ThrottledClientException

  • ChimeSDKMessaging.Client.exceptions.ServiceUnavailableException

  • ChimeSDKMessaging.Client.exceptions.ServiceFailureException