diff --git a/services/accesstokenmanager/permission_definitions.json b/services/accesstokenmanager/permission_definitions.json
index bf05990f15a0a785874a1e1d09b14b1a6b1291bb..28154aa546ccfb31fe4869ff9e6f57f0325d8f46 100644
--- a/services/accesstokenmanager/permission_definitions.json
+++ b/services/accesstokenmanager/permission_definitions.json
@@ -7295,6 +7295,17 @@
             "provisionEnable": true,
             "distributedSceneEnable": false,
             "deviceTypes": ["general"]
+        },
+        {
+            "name": "ohos.permission.SANDBOX_ACCESS_MANAGER_EXT",
+            "grantMode": "system_grant",
+            "availableLevel": "system_core",
+            "availableType": "SYSTEM",
+            "since": 20,
+            "deprecated": "",
+            "provisionEnable": true,
+            "distributedSceneEnable": false,
+            "deviceTypes": ["general"]
         }
     ]
 }