{ "name": "WorkflowExecutionCanceledEventAttributes", "description": "Provides the details of the WorkflowExecutionCanceled event.", "type": "object", "properties": [ { "name": "details", "type": "string", "description": "", "required": false }, { "name": "decisionTaskCompletedEventId", "type": "string", "description": "", "required": true } ] }