7-Eleven

08/11/2023 i went to 7-11 and the rewards says save 10 cents /gal when you buy 3 single canned or bottle drinks and i did that and didnt receive my 10 cents off i paid at the cashier for my drinks and gas and then the cashier tells me i had to pay at the pumps but i did ask my the question how would the pump know i bought 3 drinks so is the anything you can do for me i have been a member for a long time