I installed Custom Press and I created a field for a webshop plugin (WP Marketplace) I`m using.
The field is for the product quantity. I made it as a custom field. It is working fine in the backend (attachment 2 ) when I`m editing a product and also I can display the field on the product page on the frontend (attachment 1).
This is a multi vendor plugin and it allows users to edit their product on the frontend. And my question is how can i create an input text field, where users can update the number of quantity, like the price field (attachment 3)
My website url is: http://www.yourhotelmarket.com/
Under My Shop tab you can see the add product tab (you either need to register or I can create an account for you. The website is still in testing face, so feel free to register and upload anything)