What custom fields are
Custom fields let you ask the buyer for extra information while they pay — beyond the standard name, email and address. You decide what to ask, the buyer fills it in on the checkout page, and the answer is saved with their order so you have it when you deliver. They only collect information; they never change the price.
Ideas — what you can ask for
A custom field is most useful when you need one specific detail to deliver the thing you sell. A few examples:
- Language preference — for a coaching call or workshop, ask whether the buyer wants it in Dutch, French or English.
- Which book or edition — if a link covers more than one title, let the buyer pick the one they want.
- Size — a t-shirt or merch size: S, M, L, XL.
- Colour — let the buyer choose between the variants you offer.
- A preferred date or slot — for a session, a delivery, or a pick-up.
- An extra agreement to tick — a product-specific disclaimer, house rules, or a cancellation policy the buyer must confirm before paying.
The field types
When you add a field, you choose the type that matches what you're asking for:
- Short text — a single line, e.g. a name to print or a reference.
- Text field — a larger box for a longer answer, e.g. notes or special requests.
- Dropdown — the buyer picks one option from a list you define (size, colour, language…).
- Checkbox — a single box to tick, perfect for an extra disclaimer or agreement.
- Numeric — a number, e.g. how many seats or a group size.
How to add one
- Go to Products and edit the product you want.
- Open the Custom fields tab and click Add custom field.
- Type the field name the buyer will see (e.g. “T-shirt size”).
- Choose the field type. For a dropdown, add the options you want to offer.
- Tick Mandatory field if the buyer must fill it in before they can pay.
- Save the product. Repeat for up to three fields in total.
What the buyer sees, and where the answers go
On the checkout page, your fields appear with the product details so they read as part of the order. A field marked mandatory has to be filled in before the buyer can pay. After payment, you'll find every answer on the order — open Orders and click the order to see them next to the customer details. The answer is frozen on the order, so it stays correct even if you change the field on the product later.