# Versions
<a name="API_Versions"></a>

Object specifying the acceptable range of challenge versions.

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

 ** Maximum **   <a name="rekognition-Type-Versions-Maximum"></a>
The desired maximum version for the challenge.  
Type: String  
Length Constraints: Minimum length of 5. Maximum length of 11.  
Pattern: `^(0|[1-9]\d{0,2})\.(0|[1-9]\d{0,2})\.(0|[1-9]\d{0,2})$`   
Required: No

 ** Minimum **   <a name="rekognition-Type-Versions-Minimum"></a>
The desired minimum version for the challenge.  
Type: String  
Length Constraints: Minimum length of 5. Maximum length of 11.  
Pattern: `^(0|[1-9]\d{0,2})\.(0|[1-9]\d{0,2})\.(0|[1-9]\d{0,2})$`   
Required: No

## See Also
<a name="API_Versions_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/rekognition-2016-06-27/Versions) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/rekognition-2016-06-27/Versions) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/rekognition-2016-06-27/Versions)