The person you tell gets one as well. A reward only you could see would make it a bounty, and that is not how anybody recommends anything.
Up to 12 rewarded referrals in a rolling year. Said here rather than discovered later.
It is in your workspace under Settings, Refer a business. One link, nothing to configure.
The reward lands when they are actually up and running, not when they sign up. That is deliberate: paying on signup would make throwaway workspaces the most profitable thing anybody could do with this.
Added to the end of what you are already paying for. They get one too, which is why this reads as a tip rather than a pitch.
Not a customer yet? The link works the other way round too.
Then see what they were talking about. Four questions and you are looking at a live demo with your kind of business in it.