How do you catch Digimon on Digimon world 2

To get a digimon on digimon world 2, all you need is a suitable gift for the digimon do you want to catch. There are 3 types of digimon, VACCINE, DATA, VIRUS. if you want to get VACCINE digimon, you must give them items named CD PLAYER, etc. DATA = DIGIVICE, etc. VIRUS = SKATEBOARD. You can get them at the guard team you joined. Or, you can get all of them in the Kim 's place ( i forgot the name. ) . But, there are some items that suitable for all. Like TOY PLANE. At a dungeon, press SQUARE on a room that has the digimon you want. Choose the items and a heart will appear. The bigger the heart, the greater chance you have to get that Digimon.