diff --git a/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/CreateFluxConfiguration.json b/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/CreateFluxConfiguration.json
index f4e9e345ef1f..4b092a9aabe5 100644
--- a/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/CreateFluxConfiguration.json
+++ b/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/CreateFluxConfiguration.json
@@ -27,7 +27,21 @@
             "path": "./test/path",
             "dependsOn": [],
             "timeoutInSeconds": 600,
-            "syncIntervalInSeconds": 600
+            "syncIntervalInSeconds": 600,
+            "wait": true,
+            "postBuild": {
+              "substitute": {
+                "cluster_env": "prod",
+                "replica_count": "2"
+              },
+              "substituteFrom": [
+                {
+                  "kind": "ConfigMap",
+                  "name": "cluster-test",
+                  "optional": true
+                }
+              ]
+            }
           },
           "srs-kustomization2": {
             "path": "./other/test/path",
@@ -37,7 +51,22 @@
             "timeoutInSeconds": 600,
             "syncIntervalInSeconds": 600,
             "retryIntervalInSeconds": 600,
-            "prune": false
+            "prune": false,
+            "wait": false,
+            "postBuild": {
+              "substituteFrom": [
+                {
+                  "kind": "ConfigMap",
+                  "name": "cluster-values",
+                  "optional": true
+                },
+                {
+                  "kind": "Secret",
+                  "name": "secret-name",
+                  "optional": false
+                }
+              ]
+            }
           }
         },
         "waitForReconciliation": true,
@@ -87,7 +116,21 @@
               "path": "./test/path",
               "dependsOn": [],
               "timeoutInSeconds": 600,
-              "syncIntervalInSeconds": 600
+              "syncIntervalInSeconds": 600,
+              "wait": true,
+              "postBuild": {
+                "substitute": {
+                  "cluster_env": "prod",
+                  "replica_count": "2"
+                },
+                "substituteFrom": [
+                  {
+                    "kind": "ConfigMap",
+                    "name": "cluster-test",
+                    "optional": true
+                  }
+                ]
+              }
             },
             "srs-kustomization2": {
               "name": "srs-kustomization2",
@@ -98,7 +141,22 @@
               "timeoutInSeconds": 600,
               "syncIntervalInSeconds": 600,
               "retryIntervalInSeconds": 600,
-              "prune": false
+              "prune": false,
+              "wait": false,
+              "postBuild": {
+                "substituteFrom": [
+                  {
+                    "kind": "ConfigMap",
+                    "name": "cluster-values",
+                    "optional": true
+                  },
+                  {
+                    "kind": "Secret",
+                    "name": "secret-name",
+                    "optional": false
+                  }
+                ]
+              }
             }
           },
           "statuses": [
@@ -221,7 +279,21 @@
               "path": "./test/path",
               "dependsOn": [],
               "timeoutInSeconds": 600,
-              "syncIntervalInSeconds": 600
+              "syncIntervalInSeconds": 600,
+              "wait": true,
+              "postBuild": {
+                "substitute": {
+                  "cluster_env": "prod",
+                  "replica_count": "2"
+                },
+                "substituteFrom": [
+                  {
+                    "kind": "ConfigMap",
+                    "name": "cluster-test",
+                    "optional": true
+                  }
+                ]
+              }
             },
             "srs-kustomization2": {
               "name": "srs-kustomization2",
@@ -232,7 +304,22 @@
               "timeoutInSeconds": 600,
               "syncIntervalInSeconds": 600,
               "retryIntervalInSeconds": 600,
-              "prune": false
+              "prune": false,
+              "wait": false,
+              "postBuild": {
+                "substituteFrom": [
+                  {
+                    "kind": "ConfigMap",
+                    "name": "cluster-values",
+                    "optional": true
+                  },
+                  {
+                    "kind": "Secret",
+                    "name": "secret-name",
+                    "optional": false
+                  }
+                ]
+              }
             }
           },
           "statuses": [
diff --git a/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/GetFluxConfiguration.json b/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/GetFluxConfiguration.json
index cbb56df428db..8a5f97cf8678 100644
--- a/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/GetFluxConfiguration.json
+++ b/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/GetFluxConfiguration.json
@@ -46,7 +46,21 @@
               "path": "./test/path",
               "dependsOn": [],
               "timeoutInSeconds": 600,
-              "syncIntervalInSeconds": 600
+              "syncIntervalInSeconds": 600,
+              "wait": true,
+              "postBuild": {
+                "substitute": {
+                  "cluster_env": "prod",
+                  "replica_count": "2"
+                },
+                "substituteFrom": [
+                  {
+                    "kind": "ConfigMap",
+                    "name": "cluster-test",
+                    "optional": true
+                  }
+                ]
+              }
             },
             "srs-kustomization2": {
               "name": "srs-kustomization2",
@@ -57,7 +71,22 @@
               "timeoutInSeconds": 600,
               "syncIntervalInSeconds": 600,
               "retryIntervalInSeconds": 600,
-              "prune": false
+              "prune": false,
+              "wait": false,
+              "postBuild": {
+                "substituteFrom": [
+                  {
+                    "kind": "ConfigMap",
+                    "name": "cluster-values",
+                    "optional": true
+                  },
+                  {
+                    "kind": "Secret",
+                    "name": "secret-name",
+                    "optional": false
+                  }
+                ]
+              }
             }
           },
           "statuses": [
diff --git a/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/ListFluxConfigurations.json b/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/ListFluxConfigurations.json
index d19902faa5b5..649ed932cff6 100644
--- a/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/ListFluxConfigurations.json
+++ b/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/examples/ListFluxConfigurations.json
@@ -45,7 +45,21 @@
                   "path": "./test/path",
                   "dependsOn": [],
                   "timeoutInSeconds": 600,
-                  "syncIntervalInSeconds": 600
+                  "syncIntervalInSeconds": 600,
+                  "wait": true,
+                  "postBuild": {
+                    "substitute": {
+                      "cluster_env": "prod",
+                      "replica_count": "2"
+                    },
+                    "substituteFrom": [
+                      {
+                        "kind": "ConfigMap",
+                        "name": "cluster-test",
+                        "optional": true
+                      }
+                    ]
+                  }
                 },
                 "srs-kustomization2": {
                   "name": "srs-kustomization2",
@@ -56,7 +70,22 @@
                   "timeoutInSeconds": 600,
                   "syncIntervalInSeconds": 600,
                   "retryIntervalInSeconds": 600,
-                  "prune": false
+                  "prune": false,
+                  "wait": false,
+                  "postBuild": {
+                    "substituteFrom": [
+                      {
+                        "kind": "ConfigMap",
+                        "name": "cluster-values",
+                        "optional": true
+                      },
+                      {
+                        "kind": "Secret",
+                        "name": "secret-name",
+                        "optional": false
+                      }
+                    ]
+                  }
                 }
               },
               "statuses": [
diff --git a/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/fluxconfiguration.json b/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/fluxconfiguration.json
index 97661ebad699..9bcbf9e02b26 100644
--- a/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/fluxconfiguration.json
+++ b/specification/kubernetesconfiguration/resource-manager/Microsoft.KubernetesConfiguration/stable/2023-02-01/fluxconfiguration.json
@@ -858,6 +858,50 @@
         }
       }
     },
+    "PostBuildDefinition": {
+      "description": "The postBuild definitions defining variable substitutions for this Kustomization after kustomize build.",
+      "type": "object",
+      "x-nullable": true,
+      "properties": {
+        "substitute": {
+          "description": "Key/value pairs holding the variables to be substituted in this Kustomization.",
+          "type": "object",
+          "x-nullable": true,
+          "additionalProperties": {
+            "type": "string"
+          }
+        },
+        "substituteFrom": {
+          "description": "Array of ConfigMaps/Secrets from which the variables are substituted for this Kustomization.",
+          "type": "array",
+          "items": {
+            "type": "object",
+            "$ref": "#/definitions/SubstituteFromDefinition"
+          },
+          "x-nullable": true
+        }
+      }
+    },
+    "SubstituteFromDefinition": {
+      "description": "Array of ConfigMaps/Secrets from which the variables are substituted for this Kustomization.",
+      "type": "object",
+      "x-nullable": true,
+      "properties": {
+        "kind": {
+          "description": "Define whether it is ConfigMap or Secret that holds the variables to be used in substitution.",
+          "type": "string"
+        },
+        "name": {
+          "description": "Name of the ConfigMap/Secret that holds the variables to be used in substitution.",
+          "type": "string"
+        },
+        "optional": {
+          "description": "Set to True to proceed without Configmap/Secret, if it is not present.",
+          "type": "boolean",
+          "default": false
+        }
+      }
+    },
     "KustomizationDefinition": {
       "description": "The Kustomization defining how to reconcile the artifact pulled by the source type on the cluster.",
       "type": "object",
@@ -911,6 +955,20 @@
           "description": "Enable/disable re-creating Kubernetes resources on the cluster when patching fails due to an immutable field change.",
           "type": "boolean",
           "default": false
+        },
+        "wait": {
+          "description": "Enable/disable health check for all Kubernetes objects created by this Kustomization.",
+          "type": "boolean",
+          "default": true
+        },
+        "postBuild":{
+          "description": "Used for variable substitution for this Kustomization after kustomize build.",
+          "type": "object",
+          "additionalProperties": {
+            "type": "object",
+            "$ref": "#/definitions/PostBuildDefinition"
+          },
+          "x-nullable": true
         }
       }
     },