diff --git a/helm-templates/facade-operator/templates/deployment.yaml b/helm-templates/facade-operator/templates/deployment.yaml
index 4576e9b..ec2df29 100644
--- a/helm-templates/facade-operator/templates/deployment.yaml
+++ b/helm-templates/facade-operator/templates/deployment.yaml
@@ -136,6 +136,10 @@ spec:
                     value: 'tls-password'
                 -   name: GATEWAY_SYSTEM_TYPE
                     value: '{{ .Values.GATEWAY_SYSTEM_TYPE }}'
+                -   name: GATEWAY_SYSTEM_NAMESPACE
+                    value: '{{ .Values.GATEWAY_SYSTEM_NAMESPACE }}'
+                -   name: GATEWAY_SYSTEM_NAME
+                    value: '{{ .Values.GATEWAY_SYSTEM_NAME }}'
                 -   name: READONLY_CONTAINER_FILE_SYSTEM_ENABLED
                     value: '{{ and .Values.READONLY_CONTAINER_FILE_SYSTEM_ENABLED (eq .Values.PAAS_PLATFORM "KUBERNETES") }}'
 {{- if .Values.CLOUD_TOPOLOGIES }}
diff --git a/helm-templates/facade-operator/values.schema.json b/helm-templates/facade-operator/values.schema.json
index 62ee4d5..92001bf 100644
--- a/helm-templates/facade-operator/values.schema.json
+++ b/helm-templates/facade-operator/values.schema.json
@@ -628,7 +628,31 @@
       "$id": "#/properties/GATEWAY_SYSTEM_TYPE",
       "type": "string",
       "title": "Gateway System Type",
-      "internal": true
+      "internal": true,
+      "examples": [
+        "legacy-ingress",
+        "legacy-ingress,gateway-api-default",
+        "gateway-api-default"
+      ],
+      "description": "The mode of Gateway that applications must apply during installation. The value can be \"legacy-ingress\", \"gateway-api-default\" or \"legacy-ingress, gateway-api-default\". \n\nApplications must use contains  helm condition in Helm charts."
+    },
+
+    "GATEWAY_SYSTEM_NAME": {
+      "$id": "#/properties/GATEWAY_SYSTEM_NAME",
+      "type": "string",
+      "title": "Gateway System Name",
+      "internal": true,
+      "examples": ["default-external-gateway"],
+      "description": "The value for spec.parentRefs.name of all Gateway API HttpRoute Custom Resources, that mean the name of gateway controller."
+    },
+
+    "GATEWAY_SYSTEM_NAMESPACE": {
+      "$id": "#/properties/GATEWAY_SYSTEM_NAMESPACE",
+      "type": "string",
+      "title": "Gateway System Namespace",
+      "internal": true,
+      "examples": ["gateway-system"],
+      "description": "The value for spec.parentRefs.namespace of all Gateway API HttpRoute Custom Resources, that mean the namespace of where gateway controller is deployed."
     }
   },
   "additionalProperties": true
diff --git a/helm-templates/facade-operator/values.yaml b/helm-templates/facade-operator/values.yaml
index 15c9094..5f17155 100644
--- a/helm-templates/facade-operator/values.yaml
+++ b/helm-templates/facade-operator/values.yaml
@@ -29,4 +29,7 @@ INGRESS_CLASS: ''
 K8S_SERVICE_TYPE: 'CLUSTER_IP'
 CONSUL_ENABLED: false
 CONSUL_URL: ''
-GATEWAY_SYSTEM_TYPE : ''
+
+GATEWAY_SYSTEM_TYPE: "legacy-ingress"
+GATEWAY_SYSTEM_NAMESPACE: "gateway-system"
+GATEWAY_SYSTEM_NAME: "default-external-gateway"
\ No newline at end of file