# CfnStackUpdateParameter
<a name="API_CfnStackUpdateParameter"></a>

 A key-value pair representing a parameter used in the CloudFormation stack. 

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

 ** Key **   <a name="sagemaker-Type-CfnStackUpdateParameter-Key"></a>
 The name of the CloudFormation parameter.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Pattern: `.{1,255}`   
Required: Yes

 ** Value **   <a name="sagemaker-Type-CfnStackUpdateParameter-Value"></a>
 The value of the CloudFormation parameter.   
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 4096.  
Pattern: `.{0,4096}`   
Required: No

## See Also
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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/CfnStackUpdateParameter) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sagemaker-2017-07-24/CfnStackUpdateParameter) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sagemaker-2017-07-24/CfnStackUpdateParameter)