How to: Access Scopes
| Scope          | Internal data | Read-only data
(1)
| Custom data | Restricted by CLP, ACL | Key                 |
| -------------- | ------------- | ----------------------------- | ----------- | ---------------------- | ------------------- |
| Internal       | r/w           | r/w                           | r/w         | no                     | `maintenanceKey`    |
| Master         | -/-           | r/-                           | r/w         | no                     | `masterKey`         |
| ReadOnlyMaster | -/-           | r/-                           | r/-         | no                     | `readOnlyMasterKey` |
| Session        | -/-           | r/-                           | r/w         | yes                    | `sessionToken`      |
(1) `Parse.Object.createdAt`, `Parse.Object.updatedAt`.