CVar screenEdgeFlash

__NOTOC__
Whether to flash the screen on gaining aggro.
 
==Default Setting==
;1
==Possible Settings==
;0 :Off
;1 :On
==Changing this setting==
In-game, type the following
 /console screenEdgeFlash setting
Alternatively, you can exit wow, open the Config-cache.wtf file, and add the following line:
 SET screenEdgeFlash setting
screenEdgeFlash