# EvaluationFailedEventDetails
<a name="API_EvaluationFailedEventDetails"></a>

Contains details about an evaluation failure that occurred while processing a state, for example, when a JSONata expression throws an error. This event will only be present in state machines that have ** QueryLanguage** set to JSONata, or individual states set to JSONata.

## Contents
<a name="API_EvaluationFailedEventDetails_Contents"></a>

 ** state **   <a name="StepFunctions-Type-EvaluationFailedEventDetails-state"></a>
The name of the state in which the evaluation error occurred.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 80.  
Required: Yes

 ** cause **   <a name="StepFunctions-Type-EvaluationFailedEventDetails-cause"></a>
A more detailed explanation of the cause of the failure.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 32768.  
Required: No

 ** error **   <a name="StepFunctions-Type-EvaluationFailedEventDetails-error"></a>
The error code of the failure.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 256.  
Required: No

 ** location **   <a name="StepFunctions-Type-EvaluationFailedEventDetails-location"></a>
The location of the field in the state in which the evaluation error occurred.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 256.  
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/states-2016-11-23/EvaluationFailedEventDetails) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/states-2016-11-23/EvaluationFailedEventDetails) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/states-2016-11-23/EvaluationFailedEventDetails)