diff --git a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/CommonDefinitions.json b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/CommonDefinitions.json
index a5a8f9951a7a..99208c7eb1a2 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/CommonDefinitions.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/CommonDefinitions.json
@@ -1253,6 +1253,34 @@
           "type": "string"
         }
       }
+    },
+    "IdentitySettings": {
+      "description": "Optional settings for a Managed Identity that is assigned to the Container App.",
+      "type": "object",
+      "required": [
+        "identity"
+      ],
+      "properties": {
+        "identity": {
+          "description": "The resource ID of a user-assigned managed identity that is assigned to the Container App, or 'system' for system-assigned identity.",
+          "type": "string"
+        },
+        "lifecycle": {
+          "description": "Use to select the lifecycle stages of a Container App during which the Managed Identity should be available.",
+          "enum": [
+            "Init",
+            "Main",
+            "None",
+            "All"
+          ],
+          "type": "string",
+          "default": "All",
+          "x-ms-enum": {
+            "name": "IdentitySettingsLifeCycle",
+            "modelAsString": true
+          }
+        }
+      }
     }
   },
   "securityDefinitions": {
diff --git a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/ContainerApps.json b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/ContainerApps.json
index 64680e59576e..4d13deec8bb0 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/ContainerApps.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/ContainerApps.json
@@ -661,6 +661,16 @@
         "service": {
           "$ref": "#/definitions/Service",
           "description": "Container App to be a dev Container App Service"
+        },
+        "identitySettings": {
+          "description": "Optional settings for Managed Identities that are assigned to the Container App. If a Managed Identity is not specified here, default settings will be used.",
+          "type": "array",
+          "items": {
+            "$ref": "./CommonDefinitions.json#/definitions/IdentitySettings"
+          },
+          "x-ms-identifiers": [
+            "identity"
+          ]
         }
       }
     },
diff --git a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/Jobs.json b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/Jobs.json
index 7dafd1a62b8c..5b8c52a6b695 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/Jobs.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/Jobs.json
@@ -742,6 +742,16 @@
           "x-ms-identifiers": [
             "server"
           ]
+        },
+        "identitySettings": {
+          "description": "Optional settings for Managed Identities that are assigned to the Container App Job. If a Managed Identity is not specified here, default settings will be used.",
+          "type": "array",
+          "items": {
+            "$ref": "./CommonDefinitions.json#/definitions/IdentitySettings"
+          },
+          "x-ms-identifiers": [
+            "identity"
+          ]
         }
       }
     },
diff --git a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/ContainerApps_CreateOrUpdate.json b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/ContainerApps_CreateOrUpdate.json
index 9b231c3c0a40..a1c6842427e3 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/ContainerApps_CreateOrUpdate.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/ContainerApps_CreateOrUpdate.json
@@ -6,6 +6,12 @@
     "api-version": "2025-01-01",
     "containerAppEnvelope": {
       "location": "East US",
+      "identity": {
+        "type": "SystemAssigned,UserAssigned",
+        "userAssignedIdentities": {
+          "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity": {}
+        }
+      },
       "properties": {
         "environmentId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/rg/providers/Microsoft.App/managedEnvironments/demokube",
         "workloadProfileName": "My-GP-01",
@@ -99,7 +105,17 @@
             "java": {
               "enableMetrics": true
             }
-          }
+          },
+          "identitySettings": [
+            {
+              "identity": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity",
+              "lifecycle": "All"
+            },
+            {
+              "identity": "system",
+              "lifecycle": "Init"
+            }
+          ]
         },
         "template": {
           "containers": [
@@ -222,6 +238,17 @@
         "name": "testcontainerapp0",
         "type": "Microsoft.App/containerApps",
         "location": "East US",
+        "identity": {
+          "type": "SystemAssigned,UserAssigned",
+          "principalId": "24adfa4f-dedf-8dc0-ca29-b6d1a69ab319",
+          "tenantId": "23adfa4f-eedf-1dc0-ba29-a6d1a69ab3d0",
+          "userAssignedIdentities": {
+            "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity": {
+              "principalId": "74adfa4f-dedf-8dc0-ca29-b6d1a69ab312",
+              "clientId": "14adfa4f-eedf-1dc0-ba29-a6d1a69ab3df"
+            }
+          }
+        },
         "properties": {
           "provisioningState": "Succeeded",
           "runningStatus": "Running",
@@ -286,7 +313,17 @@
               "java": {
                 "enableMetrics": true
               }
-            }
+            },
+            "identitySettings": [
+              {
+                "identity": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity",
+                "lifecycle": "All"
+              },
+              {
+                "identity": "system",
+                "lifecycle": "Init"
+              }
+            ]
           },
           "template": {
             "containers": [
@@ -406,6 +443,17 @@
         "name": "testcontainerapp0",
         "type": "Microsoft.App/containerApps",
         "location": "East US",
+        "identity": {
+          "type": "SystemAssigned,UserAssigned",
+          "principalId": "24adfa4f-dedf-8dc0-ca29-b6d1a69ab319",
+          "tenantId": "23adfa4f-eedf-1dc0-ba29-a6d1a69ab3d0",
+          "userAssignedIdentities": {
+            "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity": {
+              "principalId": "74adfa4f-dedf-8dc0-ca29-b6d1a69ab312",
+              "clientId": "14adfa4f-eedf-1dc0-ba29-a6d1a69ab3df"
+            }
+          }
+        },
         "properties": {
           "provisioningState": "InProgress",
           "runningStatus": "Running",
@@ -439,7 +487,17 @@
               "java": {
                 "enableMetrics": true
               }
-            }
+            },
+            "identitySettings": [
+              {
+                "identity": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity",
+                "lifecycle": "All"
+              },
+              {
+                "identity": "system",
+                "lifecycle": "Init"
+              }
+            ]
           },
           "template": {
             "containers": [
diff --git a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/ContainerApps_Get.json b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/ContainerApps_Get.json
index 3d897f3187d3..0866f58eb809 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/ContainerApps_Get.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/ContainerApps_Get.json
@@ -13,6 +13,17 @@
         "name": "testcontainerapp0",
         "type": "Microsoft.App/containerApps",
         "location": "East US",
+        "identity": {
+          "type": "SystemAssigned,UserAssigned",
+          "principalId": "24adfa4f-dedf-8dc0-ca29-b6d1a69ab319",
+          "tenantId": "23adfa4f-eedf-1dc0-ba29-a6d1a69ab3d0",
+          "userAssignedIdentities": {
+            "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity": {
+              "principalId": "74adfa4f-dedf-8dc0-ca29-b6d1a69ab312",
+              "clientId": "14adfa4f-eedf-1dc0-ba29-a6d1a69ab3df"
+            }
+          }
+        },
         "properties": {
           "provisioningState": "Succeeded",
           "runningStatus": "Running",
@@ -84,7 +95,17 @@
             "maxInactiveRevisions": 10,
             "service": {
               "type": "redis"
-            }
+            },
+            "identitySettings": [
+              {
+                "identity": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity",
+                "lifecycle": "All"
+              },
+              {
+                "identity": "system",
+                "lifecycle": "Init"
+              }
+            ]
           },
           "template": {
             "containers": [
diff --git a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/Job_CreateorUpdate.json b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/Job_CreateorUpdate.json
index 7e3cca855413..14a061bb6a36 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/Job_CreateorUpdate.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/Job_CreateorUpdate.json
@@ -6,6 +6,12 @@
     "api-version": "2025-01-01",
     "JobEnvelope": {
       "location": "East US",
+      "identity": {
+        "type": "SystemAssigned,UserAssigned",
+        "userAssignedIdentities": {
+          "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity": {}
+        }
+      },
       "properties": {
         "environmentId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/rg/providers/Microsoft.App/managedEnvironments/demokube",
         "configuration": {
@@ -15,7 +21,17 @@
             "replicaCompletionCount": 1,
             "parallelism": 4
           },
-          "triggerType": "Manual"
+          "triggerType": "Manual",
+          "identitySettings": [
+            {
+              "identity": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity",
+              "lifecycle": "All"
+            },
+            {
+              "identity": "system",
+              "lifecycle": "Init"
+            }
+          ]
         },
         "template": {
           "containers": [
@@ -94,6 +110,17 @@
         "name": "testcontainerappsjob0",
         "type": "Microsoft.App/jobs",
         "location": "East US",
+        "identity": {
+          "type": "SystemAssigned,UserAssigned",
+          "principalId": "24adfa4f-dedf-8dc0-ca29-b6d1a69ab319",
+          "tenantId": "23adfa4f-eedf-1dc0-ba29-a6d1a69ab3d0",
+          "userAssignedIdentities": {
+            "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity": {
+              "principalId": "74adfa4f-dedf-8dc0-ca29-b6d1a69ab312",
+              "clientId": "14adfa4f-eedf-1dc0-ba29-a6d1a69ab3df"
+            }
+          }
+        },
         "properties": {
           "provisioningState": "InProgress",
           "environmentId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/rg/providers/Microsoft.App/managedEnvironments/demokube",
@@ -104,7 +131,17 @@
               "replicaCompletionCount": 1,
               "parallelism": 4
             },
-            "triggerType": "Manual"
+            "triggerType": "Manual",
+            "identitySettings": [
+              {
+                "identity": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity",
+                "lifecycle": "All"
+              },
+              {
+                "identity": "system",
+                "lifecycle": "Init"
+              }
+            ]
           },
           "template": {
             "containers": [
@@ -189,6 +226,17 @@
         "name": "testcontainerappsjob0",
         "type": "Microsoft.App/jobs",
         "location": "East US",
+        "identity": {
+          "type": "SystemAssigned,UserAssigned",
+          "principalId": "24adfa4f-dedf-8dc0-ca29-b6d1a69ab319",
+          "tenantId": "23adfa4f-eedf-1dc0-ba29-a6d1a69ab3d0",
+          "userAssignedIdentities": {
+            "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity": {
+              "principalId": "74adfa4f-dedf-8dc0-ca29-b6d1a69ab312",
+              "clientId": "14adfa4f-eedf-1dc0-ba29-a6d1a69ab3df"
+            }
+          }
+        },
         "properties": {
           "provisioningState": "InProgress",
           "environmentId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/rg/providers/Microsoft.App/managedEnvironments/demokube",
@@ -199,7 +247,17 @@
               "replicaCompletionCount": 1,
               "parallelism": 4
             },
-            "triggerType": "Manual"
+            "triggerType": "Manual",
+            "identitySettings": [
+              {
+                "identity": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity",
+                "lifecycle": "All"
+              },
+              {
+                "identity": "system",
+                "lifecycle": "Init"
+              }
+            ]
           },
           "template": {
             "containers": [
diff --git a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/Job_Get.json b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/Job_Get.json
index 6f20aadf1274..ea414322a275 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/Job_Get.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2025-01-01/examples/Job_Get.json
@@ -13,6 +13,17 @@
         "name": "testcontainerappsjob0",
         "type": "Microsoft.App/jobs",
         "location": "East US",
+        "identity": {
+          "type": "SystemAssigned,UserAssigned",
+          "principalId": "24adfa4f-dedf-8dc0-ca29-b6d1a69ab319",
+          "tenantId": "23adfa4f-eedf-1dc0-ba29-a6d1a69ab3d0",
+          "userAssignedIdentities": {
+            "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity": {
+              "principalId": "74adfa4f-dedf-8dc0-ca29-b6d1a69ab312",
+              "clientId": "14adfa4f-eedf-1dc0-ba29-a6d1a69ab3df"
+            }
+          }
+        },
         "properties": {
           "provisioningState": "Succeeded",
           "environmentId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/rg/providers/Microsoft.App/managedEnvironments/demokube",
@@ -23,7 +34,17 @@
               "replicaCompletionCount": 1,
               "parallelism": 4
             },
-            "triggerType": "Manual"
+            "triggerType": "Manual",
+            "identitySettings": [
+              {
+                "identity": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourcegroups/rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myidentity",
+                "lifecycle": "All"
+              },
+              {
+                "identity": "system",
+                "lifecycle": "Init"
+              }
+            ]
           },
           "template": {
             "containers": [