step by step:-
Press the Y button on your right Joy-Con to bring up the Y-Comm menu.
Check the upper right-hand corner to see what trading mode it's in. If you want to trade with a friend, make sure it says, "Local Communication." For anyone wanting to trade online with a random player, it should say "Internet." If it doesn't say the correct mode, press the + button to switch. Note that you need a Nintendo Switch Online membership to trade online.
Select Link Trade.
Select Start trading.
Your Switch is ready to trade. Wait for it to search for someone nearby.
Once both Switch consoles are ready to trade, a message will pop up reading, "A trade partner has been found! Time for a trade! Press the A button to continue
Select the Pokémon you want to send to the other person.
Select Trade it.
The image of the Pokémon the other person wants to give you will appear. If you're ok with the trade, select Trade it.
This notice will pop up. Press A to make it go away.
trading animation will play through showing the Pokémon getting sent to the other trainer. Some text will pop up Press A to get through it.
You'll then be brought back to your Pokémon Box. The game will ask if you want to recieve your friend's League Card. Choose Yes or No.
If you want to do more trading, select another Pokémon. If you want to quit trading, Press B.
Select Yes to continue playing your game.
how to suprise trade-
Press the Y button on your right Joy-Con to bring up the Y-Comm menu.
Check the upper right-hand corner to see what trading mode it's in. If you want to trade with a friend, make sure it says, "Local Communication." For anyone wanting to trade online with a random player, it should say "Internet." If it doesn't say the correct mode, press the + button to switch. Note that you need a Nintendo Switch Online membership to trade online
Select Surprise Trade.
Select the Pokémon you want to trade.
Click on Select.
You'll be brought back to the Y-Comm menu. Press Start.
The game will tell you it will look for another person to trade with. Press A to get through these notices.
You're free to run and around and play your game. The Surprise Trade will continue working in the background.
Eventually a blue notice reading "Trade completed!" will show up in the bottom left corner of your screen. Press Y to see what Pokémon you got.
An animation will play showing the trade sequence. Press A to get through the text that pops up. Now you've successfully completed a Surprise Trade.
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Hope I Helped!
