How to make two scripts? Need help!

[GoranGaming]

////////////////////////////
// Run when starting map
void OnStart()
{
AddUseItemCallback("", "basementkey_1", "basement_1", "KeyOnDoor", true);
AddEntityCollideCallback("Player", "tp_1", "DeadOne", true, 1);
}

void KeyOnDoor(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("basement_1", false, true);
PlaySoundAtEntity("", "unlock_door", "basement_1", 0, false);
}




void DeadOne(string &in asParent, string &in asChild, int alStates);
{
SetEntityActive("GhostOne", true);
AddPropForce("GhostOne", 0, 0, -10000, "world");
PlaySoundAtEntity("", "24_iron_maiden.snt", "GhostOne", 0, false);
}



////////////////////////////
// Run when entering map
void OnEnter()
{

}


////////////////////////////
// Run when leaving map
void OnLeave()
{

}