When boarding a bus with GotoBus, it is generally required for passengers to present identification. The specific requirements may vary depending on the bus service provider that GotoBus is working with, as well as the route and destination. Typically, photo identification, such as a government-issued identification card or a driver's license, is the most commonly accepted form of ID. Some bus companies may also require the confirmation email or ticket printout when boarding. It is advisable for travelers to review the details on their booking confirmation to ensure they are aware of any specific documentation they may need to carry with them. Additionally, travelers may find helpful information on the specific requirements for their journey by visiting the GotoBus website and checking the details related to their selected bus service. This will help ensure a smooth boarding process.