This plugin uses NMS NBT to identify coupons. So even if you change the displayname, lore, custommodeldata of the coupon item, you can still use the coupon. This plugin can also give the prize from mod items to player or set them as coupon items.
[ Admin Command ] /dsp create <prefix> - create a prefix. /dsp set <prefix> - set the prefix that will be displayed in the chat. /dsp delete <prefix> - delete the prefix. /dsp coupon (prefix) - set the coupon item of the prefix. (if prefix is not entered, it is set as a global coupon.) /dsp givecoupon <prefix> (username) - give the coupon item of the prefix. /dsp default <prefix> - set the default prefix, and it will be given to all players. /dsp list - list all prefixes.
[ User Command ] /dsp equip <prefix> - equip the prefix. /dsp unequip - unequip the prefix. /dsp my - show your all prefix.