How combine two Items?

[Xanthos]

AddCombineCallback("FuncInternalName", "ITEMA", "ITEMB", "Combine", false);
}


void Combine(string &in asItemA, string &in asItemB)
{
GiveSanityBoost();
RemoveItem(asItemA);
RemoveItem(asItemB);
GiveItem(internal name, item to give , itemname for .lang file, PICTURE.tga, 1);
}