CmdID / aws / aws connectcases
aws connectcases update-case
If you provide a value for PerformedBy.UserArn, you must also have the connect:DescribeUser permission on the user ARN that you provide. AWS CLI reference
4 options Its page in the AWS CLI reference
Options
--case-idA unique identifier of the case.--domain-idThe unique identifier of the Cases domain.--fieldsAn array of objects with fieldId (matching ListFields/DescribeField) and value union data, structured identical to CreateCase.--performed-byRepresents the entity that performed the action.