anthos/k8s-manifest/istio-system/mci.yaml

apiVersion: networking.gke.io/v1
kind: MultiClusterIngress
metadata:
  annotations:
    configmanagement.gke.io/cluster-selector: ifa
  name: mci-igw
spec:
  template:
    spec:
      backend:
        serviceName: istio-mcsingressgw
        servicePort: 80