diff --git a/TelegramBotBase/Base/GroupChangedEventArgs.cs b/TelegramBotBase/Base/GroupChangedEventArgs.cs
new file mode 100644
index 0000000..5136182
--- /dev/null
+++ b/TelegramBotBase/Base/GroupChangedEventArgs.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Telegram.Bot.Types.Enums;
+
+namespace TelegramBotBase.Base
+{
+    public class GroupChangedEventArgs : EventArgs
+    {
+        public MessageType Type { get; set; }
+
+        public MessageResult OriginalMessage { get; set; }
+
+        public GroupChangedEventArgs(MessageType type, MessageResult message)
+        {
+            this.Type = type;
+            this.OriginalMessage = message;
+        }
+
+
+
+    }
+}
diff --git a/TelegramBotBase/Base/MemberChangeEventArgs.cs b/TelegramBotBase/Base/MemberChangeEventArgs.cs
new file mode 100644
index 0000000..d292d73
--- /dev/null
+++ b/TelegramBotBase/Base/MemberChangeEventArgs.cs
@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Telegram.Bot.Types;
+using Telegram.Bot.Types.Enums;
+
+namespace TelegramBotBase.Base
+{
+    public class MemberChangeEventArgs : EventArgs
+    {
+        public List<User> Members { get; set; }
+
+        public MessageType Type { get; set; }
+
+        public MessageResult Result { get; set; }
+
+        public MemberChangeEventArgs()
+        {
+            this.Members = new List<User>();
+
+        }
+
+        public MemberChangeEventArgs(MessageType type, MessageResult result, params User[] members)
+        {
+            this.Type = type;
+            this.Result = result;
+            this.Members = members.ToList();
+        }
+
+
+
+
+
+    }
+}