See https://aom.heavengames.com/cgi-bin/forums/display.cgi?action=ct&f=13,30104,,10 for details of this utility for discussion.
Drop the file into your trigger2 folder. Please note the following prerequisites:
This will only work on patch 2.7. Version 2.8 and later please use the 2.8 version: http://aom.heavengames.com/downloads/showfile.php?fileid=11495. This redesign uses an internal change introduced in the patch to function properly and will therefore not work on earlier versions.