How to use Walkie Talkie in HiPal app?

here is hypal app so how to use walkie talkie in hyper so just open that and then you can hold to talk and then you will receive a reply from from your friend at the beginning you can just talk with hype help you can just add your friends here and then you'll be able to talk with them um so yeah that's the app it's a pretty cool idea with walkie-talkies there are many apps like that but since this app is really trending recently