The “Return URL” setting in the Shopping Cart plugin allows you to redirect customers to a “Thank You” page following a transaction. To set this up:

1. Access the Settings menu of the plugin.
2. Locate the “Return URL” field.
3. Enter the desired URL where you want customers to be redirected post-transaction.
4. Ensure to save your changes by clicking on the “Save” button in the Settings menu.

With this configuration, customers will automatically be directed to the specified “Return URL” after completing their transaction, enhancing their shopping experience.