Creates a new referred friend or returns an existing entity if it already exists.
This method must be called with a member identity.
A referral code must be provided either in the request or via scope.
The member must be eligible to become a referred friend.
Referral code for the referred friend.
Created referred friend.
There is 1 error with this status code.
This method may also return standard errors. Learn more about standard Wix errors.