Secret Bases- Q & A

[Golden Rule]

Hello everybody I wanted to ave a place where you could ask your secret base questions. Please answer the most recent question asked before 4 asking a new one. Please be kind to others when answering their question. Thanks and have a good Day.
1st question- I wanted to know if anyone knew how your pokemon is picked 4 your secret base team?

 

[Axelezado]

what do you mean by that?