Help with combining scripts

[PutraenusAlivius]

Spoiler below!

void OnStart()
{
AddEntityCollideCallback("Player", "scr_spawnEnemy1", "SpawnEnemy1", true, 1);
AddUseItemCallback("", "key_study_one", "mansion_3", "UseKeyOnDoor", true);
}

void SpawnEnemy1(string &in asParent, string &in asChild, int alState)
{
SetEntityActive("Enemy1", true);
AddEnemyPatrolNode("Enemy1", "PathNodeArea_1", 0, "");
AddEnemyPatrolNode("Enemy1", "PathNodeArea_2", 0, "");
AddEnemyPatrolNode("Enemy1", "PathNodeArea_3", 0, "");
AddEnemyPatrolNode("Enemy1", "PathNodeArea_4", 0, "");
AddEnemyPatrolNode("Enemy1", "PathNodeArea_5", 0, "");
AddEnemyPatrolNode("Enemy1", "PathNodeArea_6", 0, "");
}

void UseKeyOnDoor(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("mansion_3", false, true);
PlaySoundAtEntity("", "unlock_door", "mansion_3", 0, false);
RemoveItem(asItem);
}