# enable module
Log in to the background, left menu "Factory settings" --> "Module management";
Find the "Product Bargaining" module, and after enabling it, refresh the page with F5;
# Configure bargaining information
Left menu: "Marketing Assistance" --> Bargaining settings, set the bargaining information of the product;
# API interface docking
According to the bargaining part api interface in ["api interface document"](#), the front-end code docking can be realized to realize the bargaining function of goods in web pages, small programs, Android, and iOS.