Customer selects a product on your website.
Customer selects the size of the product and enters a desired quantity.
Customer goes to the cart to checkout.
Customer selects an existing address or enters a new delivery address.
Customer selects a mode of payment.
Customer reviews the details and places the order.
Customer will get an Order ID and Shipment ID.
On the OMS, the order would appear in the New stage as shown below.
Now, you can start processing this order in the OMS.