# Guide to Use Scenarios for Product Interfaces

This document describes usage scenarios for the SPU interface.

# Scene 1 newly added/Modify merchandise

An audit will be triggered after the item is synchronized, and an event callback is required to wait for the result.

# Scene 2 Shelf/Off the shelf

Only goods with online data can be listed.

# Scene 3 Withdrawal of Audit

If the product is under review and need to update the product, the product need to withdraw the review and update product.

# Scene 4 Violation of the Goods or Merchants in the Process of Selling

If found in violation, the product will be removed from the system.