# ExternalWorkflowExecutionCancelRequestedEventAttributes
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Provides the details of the `ExternalWorkflowExecutionCancelRequested` event.

## Contents
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 ** initiatedEventId **   <a name="SWF-Type-ExternalWorkflowExecutionCancelRequestedEventAttributes-initiatedEventId"></a>
The ID of the `RequestCancelExternalWorkflowExecutionInitiated` event corresponding to the `RequestCancelExternalWorkflowExecution` decision to cancel this external workflow execution. This information can be useful for diagnosing problems by tracing back the chain of events leading up to this event.  
Type: Long  
Required: Yes

 ** workflowExecution **   <a name="SWF-Type-ExternalWorkflowExecutionCancelRequestedEventAttributes-workflowExecution"></a>
The external workflow execution to which the cancellation request was delivered.  
Type: [WorkflowExecution](API_WorkflowExecution.md) object  
Required: Yes

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/swf-2012-01-25/ExternalWorkflowExecutionCancelRequestedEventAttributes) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/swf-2012-01-25/ExternalWorkflowExecutionCancelRequestedEventAttributes) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/swf-2012-01-25/ExternalWorkflowExecutionCancelRequestedEventAttributes)