Referral Name

The correct spelling is referral (job recommendation, or medical submission).

A referral ID is a code that records the referral you generate so you can set compensated for it. It is you member's ID for the community or program. Some referral ID are generated by your user name selected at sign up or by a number. You referral ID should be emberded in your referral URL and all your banners and referral tools.

There are two different kinds of referrals on roblox.

1. When you make an account (if 3 people use your referral for this you'll get the Inviter badge.)

2. When somebody gets Builder's Club (any kind.) If somebody uses your referral code, you and the other user will get 400 ROBUX each.

You can find your referral code here.

http://www.roblox.com/Upgrades/BuildersClub.aspx

No, a referral is not compulsory.