| Name | Description |
| Application | Returns the top-level parent application object. When used the context of Inventor, an Application object is returned. When used in the context of Apprentice, an ApprenticeServer object is returned. |
| Parent | Gets the parent object from whom this object can logically be reached. |
| Type | Returns an ObjectTypeEnum indicating this object's type. |
| Name | Description |
| OnAbort | The OnAbort event notifies the client when a transaction has been aborted. |
| OnCommit | The OnCommit event notifies the client when a transaction has been committed. |
| OnDelete | The OnDelete event notifies the client when a transaction has been deleted from the transaction stack. |
| OnRedo | The OnRedo event notifies the client when a redo operation is being performed. |
| OnUndo | The OnUndo event notifies a client when an undo operation is being performed. |