openBookingInAdvance
Indicates whether to accept this offer, a participant must book in advance, whether they must pay on attending, or have option to do either. Values must be one of https://openactive.io/Required, https://openactive.io/Optional or https://openactive.io/Unavailable.
This property can be used on: schema:Offer
This property may include the values: oa:RequiredStatusType
For more information, see the developer documentation.