The mapping code field is found in the details tab of the outlet and the below steps will guide you to the page, the code will be found in your till software.
Click into the Admin Cogs
icon along the top bar.
Click into Advanced Stock and then Outlets & Stores.
Edit the outlet and locate the Mapping Code field.
Enter the code and click Save Settings at the bottom of the page.
📌 Note: This field is only applicable for retail stock takes where the sales are imported directly to advanced stock.