| OnBeforeDelete|| All || event fired when a base object is deleted; possibility to cancel the deletion
|- align="left"
| OnPrepareForSave|| All || event fired just before a base object is about to get saved; possibility to edit the object right before saving(available since Version 2.4.4)
|- align="left"
| OnBeforeSave|| All || event fired when a base object is saved; possibility to cancel the saving