title: Retrieving the ResourceId of a scaleable target
body: <p>In the AWS Resource <code>AWS::ApplicationAutoScaling::ScalableTarget</code>, how do I retrieve the value of <code>ResourceId</code> which is the unique resource identifier that associated with the scaleable target?</p>
  
  <p>The format used in the ResourceId property is <code>service/cluster_name/service_name</code>.</p>