To update AliExpress products in your store, follow these steps:

1. Create an app in your AliExpress console

2. Click on Management

3. Copy the App Key and App Secret

4. Click on Basic Settings under App Settings and change the Callback URL to as in the screenshot below.

5. Back to Stock Sync, click on Setup New Feed > Choose Update Existing Products > AliExpress template

6. Paste the App Key and App Secret in the respective fields and click Authorize

7. Currently, only 3 fields are available for the update which is the SKU, price, and quantity.