You can change the sales channel that a product generated by a sign customiser is assigned to by following these steps.
1. Navigate to the admin of Sign Customiser for your Shopify store.
2. Click on "Tools and Settings" in the home page menu
3. Click on the "Integrations" button.
4. Click on the "Shopify" Integration.
5. Click on "Edit Integration" button in the top right corner.
6. Select the Sales Channel you wish to automatically publish to by clicking on the "Publication" select option and selecting one.
7. Click "Save" In the modal.