Once customers add products to cart, proceed to checkout and select cash on the delivery payment method, they require to verify mobile number through OTP. On click of the “Send OTP” button, the extension will send OTP to billing address mobile number.
Once you get OTP, you have to add it in text box and click button to verify mobile number. Else you can wait or use “Resend OTP” button to send OTP again.
During Cash on delivery verification process, if the customer will abort the operation and try to proceed further, the extension will show an error.