You can use it anywhere...
I've even used it in menus:
Code:
new item[32];
formatex(item, sizeof(item) - 1, "Item Name: %s%s",\
/* can use item */ ? ( /* is using item */ ? "\y" : "\r" ) : "\d",\
/* is using item */ ? "On" : "Off"
);
menu_additem(menu, item, "num");