How to invite friends in HiPal Walkie talkie app?

to invite friends in highpal app here on your home screen you just have this tab to invite friends then you can either scan their QR code you can also generate your own QR code which is valid for like 24 hours so you can just share your QR code so others can add you and then also you have your own code you can enter others code and add them here so yeah that's basically the idea hope it is helpful