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 in the address bar. Swipe the card on the card reader and you'll be able to log in to Sapaad.