Chat System Setup

Assets/Scripts/SpawnScript.cs

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+using Mirror;
+using System;
+using UnityEngine;
+
+public class SpawnScript : NetworkBehaviour
+{
+    public GameObject chatPrefab;
+
+    public static event Action<string> OnMessage;
+
+    public override void OnStartServer()
+    {
+        GameObject obj = Instantiate(chatPrefab);
+        NetworkServer.Spawn(obj);
+    }
+
+    [Command]
+    public void CmdSendMessage(string message)
+    {
+        RpcHandleMessage($"[{connectionToClient.connectionId}]: {message}");
+    }
+
+    [ClientRpc]
+    private void RpcHandleMessage(string message)
+    {
+        OnMessage?.Invoke($"\n{message}");
+    }
+}