The first step is to set up Printing Rules in pos.sapaad.com. Here's how:

Step 1: Visit pos.sapaad.com.
Step 2: Visit Setup > Location Setup.
Step 3: Select the location at which you want to set up printing rules.
Step 4: Click on Printer & Peripheral Settings > Print Settings and click Printing Rules.
Step 5: Under Walk-In order type, select the Print Template and assign it to the local Printer.
Step 6: Click Save All.

Next, pair or connect the printer to the iPad.

Finally, assign the printer to the print template. Here's how:

Step 1: Log in to the app.
Step 2: Click the three horizontal lines you see at the top left of your screen and click Printer Settings.
Step 3: Click on the print template (for e.g. Kitchen Slip).
Step 4: Swipe down to refresh the printer list.
Step 5: Select the printer and save the settings.