First, you'd need to buy swipe cards with magnetic stripes that are encoded with passwords.

Next, simply follow the steps below to configure the swipe cards for your staff using Sapaad.

Step 1: Visit Setup > Staff.
Step 2: Search for the staff you want to configure the swipe card for.
Step 3: Click the Edit button.
Step 4: Click on the Swipe Card No. field and swipe the card on the card reader attached to the POS.
Step 5: Click Update.

Once done, go to your Google Chrome browser and enter the URL https://pos.sapaad.com/users/login_swipe in the address bar. Swipe the card on the card reader and you'll be able to log in to Sapaad.