I created a theme extensions which added selectboxes to the product detail page with options a customer can choose from.
Now when a user clicks on the add to cart button, I want to validate if they have filled in all selectboxes. How can I do this.
A second thing I want to do is show these chosen options in the checkout. How can I do this.
I google a lot, went trough shopify's documentation but it is not clear to me how I can implement this.
Hello @FraukeFvdz ,
If atc is using ajax then you have to write a script to validate the values.
If not then simply follow this https://ui-elements-generator.myshopify.com/pages/line-item-property you can find all details here.
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