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Overview

  • An add-on is a sale item that can only be purchased alongside a parent item. When a customer adds the parent item to their basket, its add-ons become available for selection during checkout.
  • Only tickets and bundles can have add-ons.
  • Add-ons can be either tickets or products.
  • Each add-on has its own pricing, stock, on-sale dates, and sales channel settings, independent of the parent item.
  • Add-ons cannot be nested — an add-on cannot have its own add-ons.

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Use Cases

A venue offers parking passes that should only be available to ticket holders. By creating the parking pass as an add-on of the admission ticket, customers are prompted to add parking during checkout rather than having to find and purchase it separately.
A festival sells meal deals alongside day tickets. Each day ticket can have its own set of meal add-ons, allowing customers to pre-order food specific to the day they are attending.
An event sells branded merchandise that should only be available to ticket buyers. Making the merchandise a product add-on of the ticket ensures it is only purchasable in combination with admission.

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Creating Add-Ons

Add-ons are managed from the parent sale item’s page in the admin dashboard. The Add-ons card appears on any ticket or bundle that is not itself an add-on. From this card you can:
  • Assign an existing item — select from tickets and products already in your inventory.
  • Create a new ticket — create a new ticket directly as an add-on.
  • Create a new product — create a new product directly as an add-on (requires the product sales feature to be enabled).
Add-ons inherit the parent item’s timeslot assignment. All other settings — pricing, stock, on-sale dates, visibility — are configured independently on each add-on.

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Customer Experience

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Event Page

Items with add-ons display an indicator on the event page: “This item has add-ons available to purchase during checkout.” Add-ons are not shown directly on the event page — they appear on a dedicated selection screen after the parent item is added to the basket.

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Add-On Selection

After adding parent items to the basket, the customer is directed to the add-on selection page. This page:
  1. Groups available add-ons by parent item, with each parent item numbered (e.g. #1, #2).
  2. Displays add-ons in a grid with images and quantity selectors.
  3. Shows a progress bar when add-ons span multiple events (e.g. via global basket).
  4. Allows the customer to skip add-on selection entirely and proceed to checkout.
Each instance of a parent item gets its own independent add-on selection. If a customer purchases three tickets, they can choose different add-ons for each ticket.

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Basket

In the basket, add-on items display a “Purchased with: [parent name]” label linking them to their parent. Add-on quantities cannot be edited directly in the basket — an edit button redirects the customer back to the add-on selection page.

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Key Behaviours

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Cascading Removal

Removing a parent item from the basket automatically removes all of its add-ons. Stock for the removed add-ons is restored immediately.

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On-Sale Inheritance

If a parent item goes off sale, all of its add-ons are automatically treated as off sale, regardless of the add-ons’ own on-sale dates. An add-on can also be individually off sale while its parent remains on sale.

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Forced Minimum Quantity

Add-ons cannot use the forced minimum order quantity setting. This ensures customers are never forced to purchase an add-on they did not explicitly select.

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Resale

Items involved in add-on relationships are ineligible for primary resale:
  • A parent item that has add-ons purchased with it cannot be listed for resale.
  • An add-on item itself cannot be listed for resale.

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Bundling

Add-on items cannot be included in bundles. Bundles and add-ons are mutually exclusive — an item can be one or the other, not both. However, a bundle itself can have add-ons attached to it.

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Box Office

In the box office, staff can bypass the requirement that a parent item must be in the basket before purchasing an add-on. This allows box office operators to handle edge cases without being blocked by the standard validation.

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Event Copying

When copying an event, add-ons are automatically copied along with their parent items. The parent-child relationship is preserved on the new event.

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Access Control

Add-ons that support scanning (tickets and products) work with access control independently of their parent item. When using precision scanning, scanning a ticket that has eligible add-ons prompts the operator to select the specific item being scanned, enabling accurate reporting on which item was admitted at what time.