MUP Settings
Configure your Minimum Unit Pricing settings from the MUP Settings page in the app.
Accessing Settings
- Navigate to the app in Shopify Admin
- Click "MUP Settings" in the navigation menu
Settings Overview
Enforcement Settings
Enable MUP Enforcement - ✅ Checked: MUP rules are enforced for Scotland customers - ☐ Unchecked: MUP enforcement is disabled (useful for testing)
When disabled, levy charges will not be added and validation will not block checkout.
Pricing Configuration
Minimum Unit Price (£ per unit)
- Default: 0.65 (Scotland's legal minimum)
- Enter as a decimal number
- This is the minimum price per alcohol unit that must be charged
Levy Product Variant ID
- The variant ID of the product used to add levy charges
- Can be created automatically using the "Create Levy Product" button
- Format: Can be a full GID (gid://shopify/ProductVariant/123) or just the numeric ID (123)
Creating the Levy Product
If you don't have a levy product yet:
- Click the "Create Levy Product" button next to the Levy Product Variant ID field
- The app will automatically:
- Create a product titled "MUP Levy"
- Set it up as a "Fee" product type
- Publish it to your Online Store
- Save the variant ID to settings
The levy product is used to add MUP charges as child line items in customer carts.
Saving Settings
After making changes:
- Click "Save Settings" at the bottom of the form
- Wait for the success message
- Settings are immediately active
Additional Actions
From the MUP Settings page, you can also:
- Setup Metafields: Click "Setup Metafields" in the secondary actions to create all required metafield definitions
- Health Check: Navigate to the Health Check page to scan products for missing data
- Documentation: View the complete documentation
Important Notes
- Settings are saved to Shopify shop metafields
- Changes take effect immediately
- The levy product must be published to the Online Store sales channel
- Minimum unit price should match your legal requirements (default is £0.65 for Scotland)
Troubleshooting
Settings not saving? - Check that you have admin permissions - Verify your Shopify connection is active - Try refreshing the page and saving again
Levy product not working? - Ensure the product is published to Online Store - Verify the variant ID is correct - Check that the product is not archived or draft
For more help, see Troubleshooting.