# AWS::Transfer::Agreement Tag Creates a key-value pair for a specific resource. ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{ "Key" : String, "Value" : String }### YAML
Key: String Value: String## Properties #### Key The name assigned to the tag that you create. _Required_: Yes _Type_: String _Minimum_:
1
_Maximum_: 128
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
#### Value
Contains one or more values that you assigned to the key name you create.
_Required_: Yes
_Type_: String
_Maximum_: 256
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)