One product must be selected
Applies to Administrator
Overview
Some extras, such as pension or board options, require that exactly one option is always selected during the booking process.
Allowing users to deselect all options can result in invalid selections, incorrect tickets, or blocked bookings during allotment confirmation.
This feature ensures that a valid extra option is always selected when required.
See also: Extra Category Overview.
Purpose
The purpose of the One product must be selected option is to:
Prevent users from selecting an empty or invalid extra option
Ensure tickets and booking data remain correct
Support extras where one option is mandatory, such as pension or board options
Provide consistent behavior across Tourpaq Office booking and WebBooking
Configuration
Enable this setting on the extras category.
Field: One product must be selected
Type: Checkbox
Location:
Extras Setup > Extras Category
Booking Behavior
General Rules
When One product must be selected is enabled for an extras category:
The user cannot deselect all options
An empty choice (for example
---) is never shownThe user may only switch between available extras in the category
Auto-select Logic
If one or more extras are marked Auto-select, one of them is automatically selected
If no extra is marked Auto-select, the system automatically selects the first listed extra
This ensures that a valid selection always exists.
If the selected extra has no availability (for example due to allotment), the booking can be blocked when confirming allotment.
Example: booking blocked at Take Allotment when “One product must be selected” is enabled
When the extra category "Gala Dinner" has the option enabled:

And an extra in that category is available for booking:

If a user tries to make a booking where the extra must be selected, it will be blocked at Take Allotment:

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