Global attribute price change in Ubercart

You need to configure Ubercart so that the price of an attribute (1 type of attribute with its parameters used across many products) changes globally when selected on the admin/store/products/attributes page.

Currently, the price does not change, and to update the price, instead of one step (at the attribute type link admin/store/products/attributes), you have to take as many steps as there are products (in each product).

How can I implement this? HELP