# Fastly::Tls::Domain Manage the activation of a Tls Domain ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{
    "Type" : "Fastly::Tls::Domain",
    "Properties" : {
        "Relationships" : Relationships,
        "Type" : String,
        "Attributes" : Attributes
    }
}
### YAML
Type: Fastly::Tls::Domain
Properties:
    Relationships: Relationships
    Type: String
    Attributes: Attributes
## Properties
#### Relationships
_Required_: No
_Type_: Relationships
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
#### Type
Resource type. [Default tls_activation]
_Required_: No
_Type_: String
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
#### Attributes
_Required_: No
_Type_: Attributes
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
## Return Values
### Ref
When you pass the logical ID of this resource to the intrinsic `Ref` function, Ref returns the Id.
### Fn::GetAtt
The `Fn::GetAtt` intrinsic function returns a value for a specified attribute of this type. The following are the available attributes and sample return values.
For more information about using the `Fn::GetAtt` intrinsic function, see [Fn::GetAtt](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-getatt.html).
#### Id
Alphanumeric string identifying a TLS activation. Read-only.