# Action
<a name="API_Action"></a>

Describes an action. For more information, see [AWS FIS actions](https://docs.aws.amazon.com/fis/latest/userguide/fis-actions-reference.html) in the * AWS Fault Injection Service User Guide*.

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

 ** arn **   <a name="fis-Type-Action-arn"></a>
The Amazon Resource Name (ARN) of the action.  
Type: String  
Length Constraints: Minimum length of 20. Maximum length of 2048.  
Pattern: `[\S]+`   
Required: No

 ** description **   <a name="fis-Type-Action-description"></a>
The description for the action.  
Type: String  
Length Constraints: Maximum length of 512.  
Pattern: `[\s\S]+`   
Required: No

 ** id **   <a name="fis-Type-Action-id"></a>
The ID of the action.  
Type: String  
Length Constraints: Maximum length of 128.  
Pattern: `[\S]+`   
Required: No

 ** parameters **   <a name="fis-Type-Action-parameters"></a>
The action parameters, if applicable.  
Type: String to [ActionParameter](API_ActionParameter.md) object map  
Key Length Constraints: Maximum length of 64.  
Key Pattern: `[\S]+`   
Required: No

 ** tags **   <a name="fis-Type-Action-tags"></a>
The tags for the action.  
Type: String to string map  
Map Entries: Maximum number of 50 items.  
Key Length Constraints: Maximum length of 128.  
Key Pattern: `[\s\S]+`   
Value Length Constraints: Maximum length of 256.  
Value Pattern: `[\s\S]*`   
Required: No

 ** targets **   <a name="fis-Type-Action-targets"></a>
The supported targets for the action.  
Type: String to [ActionTarget](API_ActionTarget.md) object map  
Key Length Constraints: Maximum length of 64.  
Key Pattern: `[\S]+`   
Required: No

## See Also
<a name="API_Action_SeeAlso"></a>

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/fis-2020-12-01/Action) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/fis-2020-12-01/Action) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/fis-2020-12-01/Action)