If this is being made in pokemon essentials, go into your PBS files, and look at Trainers.txt.
YOUNGSTER
Alex
1,POTION
RATTATA,6,,TACKLE,QUICKATTACK,TAILWHIP,,0,M,,,,20
This one is a Youngster called Alex. he has 1 pokemon and 1 potion. He has a level 6 rattata.
YOUNGSTER
Alex
1,POTION...