hello @Krish, thanks for posting and welcome to the Tulip Community!! it would be great if you could introduce yourself at: Welcome to the Community, let's meet!!
everything looks correct in the Trigger. I will mention that the
Barcode Scanner (Optical) Trigger uses the Camera as the Barcode Scanner, rather than a physical Barcode Scanner. is this indeed what you’d like to use??
if so, can you embed a widget to confirm the camera is picked up by the Player:
if you would like to use a physical Barcode Scanner, you can take a look at this troubleshooting guide: How To Troubleshoot Your Barcode Scanner | Tulip Knowledge Base - Support for Building Operations Apps. if you do use that, you will need to change the Trigger to
hope this helps, let us know if you have further questions!!