# Adding Email upon Checkout
Imonggo recognizes the need to care for the environment. Instead of printing receipts, users can now e-mail them instead. This removes the energy needed to power POS printers, and reduces the consumption of paper.
### Step 1:
Go to **Store** tab and sell a product.
### Step 2:
2\. Under **CHECKOUT** tab, input the email address of the customer and **check** the box beside.
### Step 3:
3\. Then, tap the **PAY** button. The invoice will automatically be sent to the customer after the sale is completed.
