How to setup primes on an event query

[Chris_Lawrence_CWCC]

Hi
Reletively new to organising races and looking into alloating primes points for FTS.
After trying to follow the guide at: https://support.zwift.com/en_us/editing-events-in-zwiftpower-HkCabCwVd I’ve tested it on a race, but the points do not seem to allocate to riders in the primes column. I’m clearly missing something, wondering if anyone could assist please?

Settings I’ve used are attached, I’m guessing I’ve missed something or something is conflicting?

Many thanks in advance.

[Chris_Lawrence_CWCC]

Someone from SNOW CC kindly assisted with the fact I needed to set the Categories as "Points based WKG Enforcement.
Many thanks to them.