1e41f4b71Sopenharmony_ci# Event Notification Subsystem ChangeLog 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci## cl.ans.1 Permission Change of isRemoveAllowed 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ci**Access Level** 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ciSystem API 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Reason for Change** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciPermission control is required for the **isRemoveAllowed** attribute of notifications. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Change Impact** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciThis change is a non-compatible change. 16e41f4b71Sopenharmony_ciTo use the **isRemoveAllowed** attribute, you must first apply for **ohos.permission.SET_UNREMOVABLE_NOTIFICATION** permission. 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci**API Level** 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci11 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci**Change Since** 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ciOpenharmony SDK 4.1.5.5 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci**Key API/Component Changes** 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ciisRemoveAllowed (ohos.permission.SET_UNREMOVABLE_NOTIFICATION) 29e41f4b71Sopenharmony_ci 30e41f4b71Sopenharmony_ci**Adaptation Guide** 31e41f4b71Sopenharmony_ci 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ciApply for the **ohos.permission.SET_UNREMOVABLE_NOTIFICATION** permission before using the **isRemoveAllowed** attribute. 34