change ontimer to OnMinute20:
example :
OnMinute10:
OnMinute20:
OnMinute30:
OnMinute40:
OnMinute50:
OnMinute00:
thats mean every 10 minutes for each hour its gonna be announced. if you have more than 1 announcement texts, u can use random for example :
switch(rand(1,2)) {
case 1: announce "Welcome to ReUnite Ragnarok Online.Majority of NPC is in Prontera as our Capital City.Use @go 0",bc_all,0xFFFF00; end;
case 2: announce "Welcome to ReUnite Ragnarok Online.Majority of NPC is in Prontera as our Capital City.Use @go 0",bc_all,0xFFFF00; end;
}
end;