reference script another scirpt managed by its own editor scirpt...how to??

Hi i need to reference my inventory script (Inventory.cs) that has tis own Inventory editor script (InventoryEditor.cs) on my FPS Controller (ManoeuvreFPScontroller.cs) that has even its Editor script (ManoeuvreFPSControllerEditor.cs)

if i declare in classic way into ManoeuvreFPSController.cs with

public Inventory inventory;

i cannot see it into the inspector to assigne the scirpt to it…

i read sometnihg about a diffrent way to add reference on scirpt managed by editor scirpt but sincerely cannot figured how…

can please someone can help me?

thanks

What have you tried and how much do you know?
From what you’ve offered so far I can only point you to Youtube, where you can try and learn from various tutorials.
If you know C# but don’t know Unity, there are some workflow differences you would have to overcome.