**To update a room membership** The following ``update-room-membership`` example modifies the role of the specified chat room member to ``Administrator``. :: aws chime update-room-membership \ --account-id 12a3456b-7c89-012d-3456-78901e23fg45 \ --room-id abcd1e2d-3e45-6789-01f2-3g45h67i890j \ --member-id 1ab2345c-67de-8901-f23g-45h678901j2k \ --role Administrator Output:: { "RoomMembership": { "RoomId": "abcd1e2d-3e45-6789-01f2-3g45h67i890j", "Member": { "MemberId": "1ab2345c-67de-8901-f23g-45h678901j2k", "MemberType": "User", "Email": "sofiamartinez@example.com", "FullName": "Sofia Martinez", "AccountId": "12a3456b-7c89-012d-3456-78901e23fg45" }, "Role": "Administrator", "InvitedBy": "arn:aws:iam::111122223333:user/admin", "UpdatedTimestamp": "2019-12-02T22:40:22.931Z" } } 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*.