Set which requirement you have about guests who book.
*everyone / blank - all guests can book instantly.
*well reviewed guests - only guests who booked previously with Airbnb and are well reviewed can book instantly.
*government id - only guests who provide a government ID can book instantly.
*well reviewed d guests with verified id - well reviewed guests - only guests who booked previously with Airbnb and are well reviewed and provide a government ID can book instantly.