1
Open the customer's profile
Find them via the Customers list and open the profile.
2
Reveal the code
In the Activity feed, find the referral entry and click Reveal next to the masked code.
The code displays in place of the dots, ready to share with the customer.

A masked reward code in the Activity feed, with the Reveal link.

The reward code, revealed in the Activity feed.
See Also
Resend a Reward Email
Resend the fulfilment email instead, if the customer can receive it directly.
Reissue a Coupon Code
Swap an expired, barred, or fully used coupon for a fresh code.