Get players who have the custom item with item_component

Development Programming & Scripting Verse
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1 
I'm trying to get players who have a custom item with item_component, but it's not working.
I want to know how to get players who have a custom item with item_component. 




var InventoryToAgent : [inventory_component]agent = map{} 

    OnSimulate<override>()<suspends>:void =

        if (Playspace := Entity.GetPlayspaceForEntity[]):
            Players := Playspace.GetPlayers()

            for(Player : Players, FC := Player.GetFortCharacter[]):
                if(ItemComp := Entity.GetComponent[item_component]):
                    Print("ItemComp")
                    if(ParentInv := ItemComp.GetParentInventory[]):
                        Print("ParentInv")
                        if (Agent := InventoryToAgent[ParentInv]):
                            Print("Agent")
                            if(FC = Agent.GetFortCharacter[]):
                                Print("FC")