slowpoker/Assets/Scripts/JoinCollider.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class JoinCollider : MonoBehaviour
{
    public CustomNetworkManager networkManager;
    public GameObject door;
    private void OnTriggerEnter(Collider other)
    {
        door.SetActive(true);
        // networkManager.networkAddress = "localhost";
        networkManager.StartClient();
    }
}