# LambdaFunctionStartedEventAttributes
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Provides the details of the `LambdaFunctionStarted` event. It isn't set for other event types.

## Contents
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 ** scheduledEventId **   <a name="SWF-Type-LambdaFunctionStartedEventAttributes-scheduledEventId"></a>
The ID of the `LambdaFunctionScheduled` event that was recorded when this activity task was scheduled. To help diagnose issues, use this information to trace back the chain of events leading up to this event.  
Type: Long  
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/LambdaFunctionStartedEventAttributes) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/swf-2012-01-25/LambdaFunctionStartedEventAttributes) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/swf-2012-01-25/LambdaFunctionStartedEventAttributes)