# TaskCredentials
<a name="API_TaskCredentials"></a>

Contains details about the credentials that Step Functions uses for a task.

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

 ** roleArn **   <a name="StepFunctions-Type-TaskCredentials-roleArn"></a>
The ARN of an IAM role that Step Functions assumes for the task. The role can allow cross-account access to resources.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2000.  
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/TaskCredentials) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/states-2016-11-23/TaskCredentials) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/states-2016-11-23/TaskCredentials)