client, err := ctx.CLIClient()
	if err != nil {
		return nil, err
	}

	if meshConfigMapName == defaultMeshConfigMapName && revision != "" {
		meshConfigMapName = fmt.Sprintf("%s-%s", defaultMeshConfigMapName, revision)
	}
	meshConfigMap, err := client.Kube().CoreV1().ConfigMaps(ctx.IstioNamespace()).Get(context.TODO(), meshConfigMapName, metav1.GetOptions{})
	if err != nil {

	rev := kubeClient.Revision()
	meshConfigMapName := istioctlutil.DefaultMeshConfigMapName

	// if the revision is not "default", render mesh config map name with revision
	if rev != "default" && rev != "" {
		meshConfigMapName = fmt.Sprintf("%s-%s", istioctlutil.DefaultMeshConfigMapName, rev)
	}