Question on event handling, please

I am trying to write a plug-in method that will be called after the save button is processed from the "Edit My Account" form in a user's profile. The question is what should the name of the method be? I have not been able to find an example in any other plug-ins so I'm just fishing for names at this point. Obviously, I haven't figured out the naming convention yet either. I tried:
public function ProfileController_AfterSave_Handler(&$Sender)
but that did not seem to work. I'm assuming the generic forms "AfterSave" event is being fired.
Help!
public function ProfileController_AfterSave_Handler(&$Sender)
but that did not seem to work. I'm assuming the generic forms "AfterSave" event is being fired.
Help!
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