**To create a room membership** The following ``create-room-membership`` example adds the specified user to the chat room as a chat room member. :: aws chime create-room-membership \ --account-id 12a3456b-7c89-012d-3456-78901e23fg45 \ --room-id abcd1e2d-3e45-6789-01f2-3g45h67i890j \ --member-id 1ab2345c-67de-8901-f23g-45h678901j2k Output:: { "RoomMembership": { "RoomId": "abcd1e2d-3e45-6789-01f2-3g45h67i890j", "Member": { "MemberId": "1ab2345c-67de-8901-f23g-45h678901j2k", "MemberType": "User", "Email": "janed@example.com", "FullName": "Jane Doe", "AccountId": "12a3456b-7c89-012d-3456-78901e23fg45" }, "Role": "Member", "InvitedBy": "arn:aws:iam::111122223333:user/alejandro", "UpdatedTimestamp": "2019-12-02T22:36:41.969Z" } } For more information, see `Creating a Chat Room <https://docs.aws.amazon.com/chime/latest/ug/chime-chat-room.html>`__ in the *Amazon Chime User Guide*.