# CallbackFailedDetails
<a name="API_CallbackFailedDetails"></a>

Contains details about a failed callback operation, including error information and the reason for failure.

## Contents
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 ** Error **   <a name="lambda-Type-CallbackFailedDetails-Error"></a>
An error object that contains details about the failure.  
Type: [EventError](API_EventError.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/lambda-2015-03-31/CallbackFailedDetails) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/lambda-2015-03-31/CallbackFailedDetails) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/lambda-2015-03-31/CallbackFailedDetails)