diff --git a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/SessionPools.json b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/SessionPools.json
index 80068afa95a0..a38147164519 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/SessionPools.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/SessionPools.json
@@ -404,7 +404,7 @@
       "description": "Session pool private registry credentials.",
       "type": "object",
       "properties": {
-        "registryServer": {
+        "server": {
           "description": "Container registry server.",
           "type": "string"
         },
@@ -415,6 +415,10 @@
         "passwordSecretRef": {
           "description": "The name of the secret that contains the registry login password",
           "type": "string"
+        },
+        "identity": {
+          "description": "A Managed Identity to use to authenticate with Azure Container Registry. For user-assigned identities, use the full user-assigned identity Resource ID. For system-assigned identities, use 'system'",
+          "type": "string"
         }
       }
     },
@@ -537,6 +541,10 @@
         }
       ],
       "properties": {
+        "identity": {
+          "description": "Managed identities needed by a session pool to interact with other Azure services to not maintain any secrets or credentials in code.",
+          "$ref": "../../../../../common-types/resource-management/v5/managedidentity.json#/definitions/ManagedServiceIdentity"
+        },
         "properties": {
           "description": "Container App session pool resource specific properties",
           "type": "object",
@@ -634,16 +642,56 @@
                 "name": "SessionPoolProvisioningState",
                 "modelAsString": true
               }
+            },
+            "managedIdentitySettings": {
+              "description": "Optional settings for a Managed Identity that is assigned to the Session pool.",
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/ManagedIdentitySetting"
+              },
+              "x-ms-identifiers": [
+                "identity"
+              ]
             }
           },
           "x-ms-client-flatten": true
         }
       }
     },
+    "ManagedIdentitySetting": {
+      "description": "Optional settings for a Managed Identity that is assigned to the Session pool.",
+      "type": "object",
+      "required": [
+        "identity"
+      ],
+      "properties": {
+        "identity": {
+          "description": "The resource ID of a user-assigned managed identity that is assigned to the Session Pool, or 'system' for system-assigned identity.",
+          "type": "string"
+        },
+        "lifecycle": {
+          "description": "Use to select the lifecycle stages of a Session Pool during which the Managed Identity should be available.",
+          "enum": [
+            "None",
+            "Main"
+          ],
+          "type": "string",
+          "default": "None",
+          "x-ms-enum": {
+            "name": "IdentitySettingsLifeCycle",
+            "modelAsString": true
+          }
+        }
+      }
+    },
     "SessionPoolUpdatableProperties": {
       "description": "Container App session pool updatable properties.",
       "type": "object",
       "properties": {
+        "identity": {
+          "description": "Managed identities needed by a session pool to interact with other Azure services to not maintain any secrets or credentials in code.",
+          "$ref": "../../../../../common-types/resource-management/v5/managedidentity.json#/definitions/ManagedServiceIdentity"
+        },
         "properties": {
           "description": "Session pool resource specific updatable properties.",
           "type": "object",
@@ -702,4 +750,3 @@
     }
   }
 }
-
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/SessionPools_CreateOrUpdate.json b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/SessionPools_CreateOrUpdate.json
index d6b685a338dd..4cb24e91786a 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/SessionPools_CreateOrUpdate.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/SessionPools_CreateOrUpdate.json
@@ -6,6 +6,9 @@
     "api-version": "2024-10-02-preview",
     "sessionPoolEnvelope": {
       "location": "East US",
+      "identity": {
+        "type": "SystemAssigned"
+      },
       "properties": {
         "environmentId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/rg/providers/Microsoft.App/managedEnvironments/demokube",
         "poolManagementType": "Dynamic",
@@ -38,11 +41,21 @@
           ],
           "ingress": {
             "targetPort": 80
+          },
+          "registryCredentials": {
+            "server": "test.azurecr.io",
+            "identity": "/subscriptions/7a497526-bb8d-4816-9795-db1418a1f977/resourcegroups/test/providers/Microsoft.ManagedIdentity/userAssignedIdentities/testSP"
           }
         },
         "sessionNetworkConfiguration": {
           "status": "EgressEnabled"
-        }
+        },
+        "managedIdentitySettings": [
+          {
+            "identity": "system",
+            "lifecycle": "Main"
+          }
+        ]
       }
     }
   },
@@ -88,12 +101,21 @@
             ],
             "ingress": {
               "targetPort": 80
+            },
+            "registryCredentials": {
+              "server": "test.azurecr.io",
+              "identity": "/subscriptions/7a497526-bb8d-4816-9795-db1418a1f977/resourcegroups/test/providers/Microsoft.ManagedIdentity/userAssignedIdentities/testSP"
             }
           },
           "sessionNetworkConfiguration": {
             "status": "EgressEnabled"
           },
           "poolManagementEndpoint": "https://testsessionpool.agreeableriver-3d30edf1.eastus.azurecontainerapps.io"
+        },
+        "identity": {
+          "type": "SystemAssigned",
+          "principalId": "bce8c037-3d10-44a4-a970-25f799611fc6",
+          "tenantId": "72f988bf-86f1-41af-91ab-2d7cd011db47"
         }
       }
     },
@@ -137,15 +159,29 @@
             ],
             "ingress": {
               "targetPort": 80
+            },
+            "registryCredentials": {
+              "server": "test.azurecr.io",
+              "identity": "/subscriptions/7a497526-bb8d-4816-9795-db1418a1f977/resourcegroups/test/providers/Microsoft.ManagedIdentity/userAssignedIdentities/testSP"
             }
           },
           "sessionNetworkConfiguration": {
             "status": "EgressEnabled"
           },
-          "poolManagementEndpoint": "https://testsessionpool.agreeableriver-3d30edf1.eastus.azurecontainerapps.io"
+          "poolManagementEndpoint": "https://testsessionpool.agreeableriver-3d30edf1.eastus.azurecontainerapps.io",
+          "managedIdentitySettings": [
+            {
+              "identity": "system",
+              "lifecycle": "Main"
+            }
+          ]
+        },
+        "identity": {
+          "type": "SystemAssigned",
+          "principalId": "bce8c037-3d10-44a4-a970-25f799611fc6",
+          "tenantId": "72f988bf-86f1-41af-91ab-2d7cd011db47"
         }
       }
     }
   }
 }
-
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/SessionPools_Get.json b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/SessionPools_Get.json
index e2cb78fcef03..2ae1d79b3996 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/SessionPools_Get.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/SessionPools_Get.json
@@ -47,15 +47,29 @@
             ],
             "ingress": {
               "targetPort": 80
+            },
+            "registryCredentials": {
+              "server": "test.azurecr.io",
+              "identity": "/subscriptions/7a497526-bb8d-4816-9795-db1418a1f977/resourcegroups/test/providers/Microsoft.ManagedIdentity/userAssignedIdentities/testSP"
             }
           },
           "sessionNetworkConfiguration": {
             "status": "EgressEnabled"
           },
+          "managedIdentitySettings": [
+            {
+              "identity": "system",
+              "lifecycle": "Main"
+            }
+          ],
           "poolManagementEndpoint": "https://testsessionpool.agreeableriver-3d30edf1.eastus.azurecontainerapps.io"
+        },
+        "identity": {
+          "type": "SystemAssigned",
+          "principalId": "bce8c037-3d10-44a4-a970-25f799611fc6",
+          "tenantId": "72f988bf-86f1-41af-91ab-2d7cd011db47"
         }
       }
     }
   }
 }
-
diff --git a/specification/app/resource-manager/readme.md b/specification/app/resource-manager/readme.md
index 90a015794355..83bdad4cc06f 100644
--- a/specification/app/resource-manager/readme.md
+++ b/specification/app/resource-manager/readme.md
@@ -67,6 +67,11 @@ input-file:
   - Microsoft.App/preview/2024-10-02-preview/SourceControls.json
   - Microsoft.App/preview/2024-10-02-preview/Subscriptions.json
   - Microsoft.App/preview/2024-10-02-preview/Usages.json
+directive:
+  - suppress: PatchBodyParametersSchema
+    from: SessionPools.json
+    reason: |
+      Session Pool is using componentType as the discriminator. While the discriminator is a required property, this rule prevent it being present in the patch request body.
 ```
 
 ### Tag: package-preview-2024-08