CheckIn():Void
Returns the editing process for the data object.
If a data object has been checked out, then it is locked for editing for other users. In order to release this editing process for others, the data object must be returned. This is done by means of this method.
In addition to the release of the editing process, the content changes to the data object are implicitly saved beforehand. If the changes are not to be saved, but the editing process released nonetheless, then the method UndoCheckout is to be used.
This method is used if the calling user has checked out this data object for editing. If another user has checked out the data object for editing and the calling user calls this method, then an AccessPermissionException is triggered. If the calling user has the role of user manager, then the method CheckIn can be called with the parameter true instead.
