type: object properties: type: description: The type of event enum: - WorkflowExecutionScheduled - WorkflowExecutionStarted - WorkflowExecutionCompleted - WorkflowExecutionFailed - WorkflowTaskScheduled - WorkflowTaskStarted - WorkflowTaskCompleted - WorkflowTaskFailed - ActivityTaskScheduled - ActivityTaskStarted - ActivityTaskCompleted - ActivityTaskFailed example: WorkflowTaskScheduled timestamp: type: string format: date-time description: The date-time when the event occurred example: "2022-02-07T20:13:31.640618296Z" attributes: type: object description: Additional attributes associated with the event example: {}