AWS::ECS::Service: Properties: Cluster: "String" DesiredCounti: "Integer" LoadBalancers: | [ "elb" ] # Ref("elb") Role: "\"The name or ARN of an AWS Identity and Access Management (IAM) role that allows your Amazon ECS container agent to make calls to your load balancer\"" TaskDefinition: "\"task-def # Ref(task) The family, family and revision (family:revision), or ARN of the task definition that you want to run on the cluster.\""