From the NannyMUD documentation

LAST CHANGE

2001-08-12

FUNCTION

NAME
        changed_alignment_hook - 


AVAILABILITY
	/obj/player

DESCRIPTION
	This function is called after the alignment has been  changed.

	ARGUMENTS

        changed_alignment_hook(
	  ({ Alignment,
	     Old alignment,
	     The object doing the change
	  })
	  the player
	)


NOTE
	The object doing the change might be zero. Be sure to check
	everything thorougly.


SEE ALSO
        block_changed_alignment_hook in hooks/block_changed_alignment_hook