# AWS::Route53RecoveryReadiness::ReadinessCheck Aws Route53 Recovery Readiness Check Schema and API specification. ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{ "Type" : "AWS::Route53RecoveryReadiness::ReadinessCheck", "Properties" : { "ResourceSetName" : String, "ReadinessCheckName" : String, "Tags" : [ Tag, ... ] } }### YAML
Type: AWS::Route53RecoveryReadiness::ReadinessCheck Properties: ResourceSetName: String ReadinessCheckName: String Tags: - Tag## Properties #### ResourceSetName The name of the resource set to check. _Required_: No _Type_: String _Minimum_:
1
_Maximum_: 64
_Pattern_: [a-zA-Z0-9_]+
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
#### ReadinessCheckName
Name of the ReadinessCheck to create.
_Required_: Yes
_Type_: String
_Minimum_: 1
_Maximum_: 64
_Pattern_: [a-zA-Z0-9_]+
_Update requires_: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
#### Tags
A collection of tags associated with a resource.
_Required_: No
_Type_: List of Tag
_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 ReadinessCheckName.
### 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).
#### ReadinessCheckArn
The Amazon Resource Name (ARN) of the readiness check.