There is a relation between product and order product.
and in orderproduct there is a lookup that points to product it's "productid" field
so if you create a new "order product" and you add a lookup that points to the product it will be mapped.
There is a relation between product and order product.
and in orderproduct there is a lookup that points to product it's "productid" field
so if you create a new "order product" and you add a lookup that points to the product it will be mapped.