Manual Sync
Open the “Manual Sync” tab on this app, and click on “GET” button beside the newly placed order. Now the app will retrieve valid delivery time slot for the order, and you can see them in the drop down menu. Now select one of the listed timeslot and click on the “>>” sync sign to create a record in Gordon Last Mile Platform.
Options in Checkout
You can show Gordon Delivery timeslot options in Shopify checkout if you have access to carrier service api from Shopify.