Pokémon GO how to join a party with Party Play

Pokémon GO is on the verge of introducing a new captivating feature, and we are all for it.
Named Party Play, this feature will be released into the game tomorrow, and it is all about connecting with friends, having fun with them and catch Pokémon together. But the thing is, how to join a Party?
First off, you need to have Pokémon GO, of course. Then, go to your Trainer profile. Besides seeing your avatar, you can see there a tab that says New Party. Click on that. Do not be scared. Click it.
Then, after you click on that tab, you will see another button that says Join Party. Click on that, and you will see a pop-up instructing you to scan a QR code, or manually enter a numerical code.
After you have done all of this, it is safe to say that you have joined a Party. All you need to do is wait for the host to start the party, and once they do, immerse yourself in all the fun that is waiting for you.
Keep in mind, that this feature is available only to Trainers level 15 and above.
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