Hpl 2 help

[s2skafte]

Thies is really annoying on my scipt i keep getting an error when i try to run my custom story. the error main (11,2) :unexpected token '{'[/font]

void OnStart()
{
AddUseItemCallback("", "key_study_1", "Lockeddoor_1", "hello", true);
}
void hello(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked(asEntity, false, true);
PlaySoundAtEntity("", "unlock_Lockeddoor_1", asEntity, 0, false);
RemoveItem(asItem);
}
{
AddUseItemCallback("", "key_tower_1", "Lockeddoor_2", "hello", true);
}
void hello(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked(asEntity, false, true);
PlaySoundAtEntity("", "unlock_Lockeddoor_2", asEntity, 0, false);
RemoveItem(asItem);

}