Allows admin to generate list of promo code for account upgradation against available User Upgrades
.
Features:

• Admin can manual set code string.
• Admin can select one or more user upgrade packages while create code.
• Admin can also set how many times a code can b used
• Admin can also disabled any code any time .
• Admin can also create a promo code for full amount

Note :
Please send me PM if you want any other feature on it