cirnogodot/Scripts/Pickupper.cs

using Godot;
using System;

public partial class Pickupper : Activable
{

	private InventoryManager inventoryManager;

	public override void _Ready()
	{
		inventoryManager = GetNode<InventoryManager>("/root/GameScene/InventoryManager");
	}
	
	public override void Activate()
	{
		inventoryManager.AddRedKeycard();
		GetParent().QueueFree();
	}
}