Custom Data
Custom data is stored as key/value. All values are stored and returned as strings. Custom data can be added to booking, person, service, resource, event, category, coupon, gift card and message template. If you are using our standard booking site and would like to store custom data to a new booking please see the custom forms documentation for details on how to customise the booking form.
Warning: Custom data is stored as one attribute. All keys and values must be present when updating. If a booking has stored custom_data as makeplans_is=awesome and you want to add signup=now then you need to include both makeplans_is and signup with their values.