# PromptRouterTargetModel
<a name="API_PromptRouterTargetModel"></a>

The target model for a prompt router.

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

 ** modelArn **   <a name="bedrock-Type-PromptRouterTargetModel-modelArn"></a>
The target model's ARN.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Pattern: `.*(^arn:aws(-[^:]+)?:bedrock:[a-z0-9-]{1,20}::foundation-model/[a-z0-9-]{1,63}[.]{1}([a-z0-9-]{1,63}[.]){0,2}[a-z0-9-]{1,63}([:][a-z0-9-]{1,63}){0,2})|(^arn:aws(|-us-gov|-cn|-iso|-iso-b):bedrock:(|[0-9a-z-]{0,20}):(|[0-9]{12}):(inference-profile|application-inference-profile)/[a-zA-Z0-9-:.]+)`   
Required: Yes

## See Also
<a name="API_PromptRouterTargetModel_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/bedrock-2023-04-20/PromptRouterTargetModel) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-2023-04-20/PromptRouterTargetModel) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-2023-04-20/PromptRouterTargetModel)