# Tag


A key-value pair that helps you manage, filter, and search for your resource. Allowed characters: letters, white space, and numbers, representable in UTF-8, and the following characters: \$1 - = . \$1 : /.

## Contents


 ** Key **   <a name="StorageGateway-Type-Tag-Key"></a>
Tag key. The key can't start with aws:.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `^([\p{L}\p{Z}\p{N}_.:/=+\-@]*)$`   
Required: Yes

 ** Value **   <a name="StorageGateway-Type-Tag-Value"></a>
Value of the tag key.  
Type: String  
Length Constraints: Maximum length of 256.  
Required: Yes

## See Also


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/storagegateway-2013-06-30/Tag) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/storagegateway-2013-06-30/Tag) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/storagegateway-2013-06-30/Tag)