# FeatureParameter
<a name="API_FeatureParameter"></a>

A key-value pair that you specify to describe the feature.

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

 ** Key **   <a name="sagemaker-Type-FeatureParameter-Key"></a>
A key that must contain a value to describe the feature.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Pattern: `([\p{L}\p{Z}\p{N}_.:/=+\-]*)`   
Required: No

 ** Value **   <a name="sagemaker-Type-FeatureParameter-Value"></a>
The value that belongs to a key.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Pattern: `([\p{L}\p{Z}\p{N}_.:/=+\-]*)`   
Required: No

## See Also
<a name="API_FeatureParameter_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/sagemaker-2017-07-24/FeatureParameter) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sagemaker-2017-07-24/FeatureParameter) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sagemaker-2017-07-24/FeatureParameter)