# Tag


An arbitary key/value pair used to add searchable metadata to secure tunnel resources.

## Contents


 ** key **   <a name="iot-Type-iot-secure-tunneling_Tag-key"></a>
The key of the tag.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `^([\p{L}\p{Z}\p{N}_.:/=+\-@]*)$`   
Required: Yes

 ** value **   <a name="iot-Type-iot-secure-tunneling_Tag-value"></a>
The value of the tag.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 256.  
Pattern: `^([\p{L}\p{Z}\p{N}_.:/=+\-@]*)$`   
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/iotsecuretunneling-2018-10-05/Tag) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iotsecuretunneling-2018-10-05/Tag) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iotsecuretunneling-2018-10-05/Tag)