Originally Posted by
ovacikar
You may not get any points though: The paying person needs to add his/her Hilton account to the reservation upon arrival.
To earn Hilton Honors Points or credit toward tier status for hotel stays, a Member must be a registered, paying and staying guest at a participating hotel within the Hilton Portfolio
This correctly states the official rules. Must pay to get points.
In real life, not so much. Whatever Honors number is in the reservation gets the points in my experience. Obviously, YMMV.