{ "name": "CancelWorkflowExecutionFailedEventAttributes", "description": "Provides the details of the CancelWorkflowExecutionFailed event.", "type": "object", "properties": [ { "name": "cause", "type": "string", "description": "", "required": true }, { "name": "decisionTaskCompletedEventId", "type": "string", "description": "", "required": true } ] }