This type is derived from https://schema.org/PropertyValueSpecification, which means that any of this type's properties within schema.org may also be used. Note however the properties on this page must be used in preference if a relevant property is available.
Descriptive help plain text for the field, which must not include HTML or other markup.
Specifies that a value for the field is required to proceed with the booking.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution License (CC-BY V4.0), and code samples are licensed under the MIT License, for anyone to access, use and share; using attribution "OpenActive".