To make yourself available for an assignment, you create an offer. An offer is created for a bid which is a request for a specific official type for a match at a certain price (ex: Center Referee for Boulder vs Denver on 3/5 paying $50) Officials can increase their chances of getting assigned by adding boosts to their offer. Each official starts with 10 boosts. To add boosts to an offer:
  1. Navigate to My Offers
  2. Select the numbers of boosts from the dropdown next to the
  3. RefUp.io will assign the bid to the offer with the highest number of boosts. If more than one offer have the same number of boosts, the bid will be assigned randomly.
For more information, check out Gaining and Using Boosts.