# RefreshTokenRequestBody
<a name="API_RefreshTokenRequestBody"></a>

Describes a refresh token.

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

 ** token **   <a name="amplifyuibuilder-Type-RefreshTokenRequestBody-token"></a>
The token to use to refresh a previously issued access token that might have expired.  
Type: String  
Required: Yes

 ** clientId **   <a name="amplifyuibuilder-Type-RefreshTokenRequestBody-clientId"></a>
The ID of the client to request the token from.  
Type: String  
Required: No

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

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/amplifyuibuilder-2021-08-11/RefreshTokenRequestBody) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/amplifyuibuilder-2021-08-11/RefreshTokenRequestBody) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/amplifyuibuilder-2021-08-11/RefreshTokenRequestBody)