Overriding Templates
You can use your own version of the field templates by duplicating files from the plugins template/frontend folder and creating your own product-extras folder...
Article Category: Advanced Topics for Add-Ons Ultimate
Filter file types
If you’re using the file upload field type, you can change the permitted file types by updating the ‘File types’...
Filter prices for add-ons in the cart
If you just want to add the prices for extra items in the cart, just target the pewc-cart-item-price class in...
Filter field classes
You can filter the class applied to each product extra field, just use the pewc_filter_single_product_classes filter: The filter also passes the...
Filter product add-ons – adding fields programmatically
You can filter product add-ons after you’ve added them in the product or global settings. This is particularly useful if...
Variation specific fields
If you’re adding extra fields to variable products, you can choose to create different fields for different variations. When you...
Adding negative values for extra fields
You can add negative values in the ‘Field Price’ parameter to create a discount. When the user adds a field...
Don’t remove parent products from cart
If you don’t want your parent products to be removed from the cart when child products are deleted, add this...
Get add-ons meta data from the order
If you need to get add-ons data from the order, you can use the following function. You’ll see that the...
Trigger action when order is processed
If you would like to trigger an action, e.g. sending a custom email, depending on the value of a specific...