Here's how to send an invoice to a customer so they can pay. Go to Shopify> Orders> Drafts and click Create Order to create the order.
Draft Order
After clicking on the Create Order, complete the following information. You will need to find a product or service that you can sell to its customers
So if you want to give him a discount, you can do the same. When you are finished, you will click on the invoice and you will be able to send an invoice to the customer to pay.
