513284 Experienced PHP developer with Wordpress plugin experience

I currently have a Wordpress plugin which is halfway ready. This plugin let me insert products with a couple of variables (debt rate, debt limit). This data is saved in an array. Now I need a solution to be able to link a page with this array, so it will show the appropriate key's for the right page. I want to be able to select a product by customfield with the title of the card. Preferably selectable from a list of checkboxes.