1. Obtain the necessary certification: Depending on the level of play, you may need to obtain a specific certification or license to become an umpire. For example, you may need to become certified by a governing body such as USA Baseball or the National Collegiate Athletic Association (NCAA).

2. Get experience: Many travelball leagues and tournaments require umpires to have a certain amount of experience before they can work as an umpire. You can gain experience by umpiring local games or by participating in umpire training programs.

3. Attend umpire clinics and camps: Attending clinics and camps can help you improve your skills and knowledge as an umpire, and can also help you network with other umpires and officials.

4. Stay up to date with rules and regulations: It is important to keep abreast of any changes to the rules and regulations of the game, as well as any specific rules that may be in place for a particular league or tournament.

5. Be reliable and professional: Travelball umpires are expected to be reliable and professional at all times. This means showing up to games on time, dressing appropriately, and maintaining a level of fitness that allows you to perform your duties to the best of your ability.

In general, becoming a travelball umpire requires a combination of certification, experience, knowledge, and professionalism. By following these steps, you can increase your chances of becoming a successful travelball umpire.