I wish i could be more help, but i haven't gotten to that point in my mod yet, since its something small that wont happen until i right before i release a patch. My suggestion would be to go to the tutorials section of the forums and look around there:
http://ffhacktics.com/smf/index.php?board=43.0
also heres a link to the hacking/patching tools and such
http://ffhacktics.com/smf/index.php?board=3.0
this was on the main page in tutorials so it might help
http://ffhacktics.com/tutorials.php?id=1
sorry i cant give a more definate answer, if you still have trouble figuring it out lemme know and ill do some more extensive searching for you. Best of luck on your mod
http://ffhacktics.com/smf/index.php?board=43.0
also heres a link to the hacking/patching tools and such
http://ffhacktics.com/smf/index.php?board=3.0
this was on the main page in tutorials so it might help
http://ffhacktics.com/tutorials.php?id=1
sorry i cant give a more definate answer, if you still have trouble figuring it out lemme know and ill do some more extensive searching for you. Best of luck on your mod