Few changes

Assets/Scripts/Players/PlayerNameService.cs

@@ -0,0 +1,25 @@
+using System;
+using FishNet.Connection;
+using FishNet.Object;
+using FishNet.Object.Synchronizing;
+using UnityEngine;
+
+namespace Players
+{
+    public sealed class PlayerNameService : NetworkBehaviour
+    {
+        public static event Action<NetworkConnection, string> OnPlayerNameChange;
+        
+        private readonly SyncDictionary<NetworkConnection, string> _playerNames = new();
+
+        private void Awake()
+        {
+            _playerNames.OnChange += OnPlayerNamesChange;
+        }
+
+        private void OnPlayerNamesChange(SyncDictionaryOperation op, NetworkConnection key, string value, bool asServer)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

Assets/Scripts/Players/PlayerNameService.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 0f8a0d6abee44a7282f69c32e04a6f4c
+timeCreated: 1775595133