EventHandlerExecutionType
Specifies the execution type of the event handler.
PostSave = 5
Executes after a user changes field values and clicks the Save button.
PreCascadeDelete = 6
Executes before the delete process starts for an object that has dependant objects.
PreDelete = 8
Executes before an object is deleted.
PreLoad = 9
Executes on the an object's view and edit pages.
PreMassDelete = 10
Executes before the deletion of a large set of objects.
PreSave = 11
Executes after a user changes field values and clicks the Save button.