Step 1:

Sign in with your Amazon credentials at ->

Step 2:

Search for Your Charity

Step 3:

Select Trojan Football Alumni Club
(Use: Spring Valley, CA | Alumni Associations )

Step 4:

Remember to use SMILE.amazon.com for future shopping.

The Amazon Smile program provides monetary incentive to the organization of your choice with each purchase.

But you have to link a charity to your Amazon account.