# TraceHeader
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Contains trace headers for the Lambda durable execution.

## Contents
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 ** XAmznTraceId **   <a name="lambda-Type-TraceHeader-XAmznTraceId"></a>
The AWS X-Ray trace header associated with the durable execution.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 8192.  
Required: No

## 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/lambda-2015-03-31/TraceHeader) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/lambda-2015-03-31/TraceHeader) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/lambda-2015-03-31/TraceHeader)