diff --git a/TelegramBotBase.SourceGenerators/TelegramDeviceExtensionGenerator.cs b/TelegramBotBase.SourceGenerators/TelegramDeviceExtensionGenerator.cs
index 39ea14f..ec63728 100644
--- a/TelegramBotBase.SourceGenerators/TelegramDeviceExtensionGenerator.cs
+++ b/TelegramBotBase.SourceGenerators/TelegramDeviceExtensionGenerator.cs
@@ -187,6 +187,7 @@ namespace TelegramBotBase
             var sourceCode = $$"""
             using System;
             using System.Threading.Tasks;
+            using TelegramBotBase.Interfaces;
             using TelegramBotBase.Sessions;
             using Telegram.Bot;
             using Telegram.Bot.Extensions;
@@ -232,7 +233,7 @@ namespace TelegramBotBase
 
             sb.AppendLine(xml_comments);
 
-            sb.AppendLine($"    public static async {method.ReturnType.ToDisplayString()} {method.Name}(this DeviceSession device, {parameters})");
+            sb.AppendLine($"    public static async {method.ReturnType.ToDisplayString()} {method.Name}(this IDeviceSession device, {parameters})");
 
             sb.AppendLine($"    {{");
 
diff --git a/TelegramBotBase/Args/BotCommandEventArgs.cs b/TelegramBotBase/Args/BotCommandEventArgs.cs
index 02ec9d8..0b9f4d9 100644
--- a/TelegramBotBase/Args/BotCommandEventArgs.cs
+++ b/TelegramBotBase/Args/BotCommandEventArgs.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 using Telegram.Bot.Types;
-using TelegramBotBase.Sessions;
+using TelegramBotBase.Interfaces;
 
 namespace TelegramBotBase.Args;
 
@@ -15,7 +15,7 @@ public class BotCommandEventArgs : EventArgs
     }
 
     public BotCommandEventArgs(string command, List<string> parameters, Message message, long deviceId,
-                               DeviceSession device)
+                               IDeviceSession device)
     {
         Command = command;
         Parameters = parameters;
@@ -30,7 +30,7 @@ public class BotCommandEventArgs : EventArgs
 
     public long DeviceId { get; set; }
 
-    public DeviceSession Device { get; set; }
+    public IDeviceSession Device { get; set; }
 
     public bool Handled { get; set; } = false;
 
diff --git a/TelegramBotBase/Args/MessageIncomeEventArgs.cs b/TelegramBotBase/Args/MessageIncomeEventArgs.cs
index ddc0ac8..224cf67 100644
--- a/TelegramBotBase/Args/MessageIncomeEventArgs.cs
+++ b/TelegramBotBase/Args/MessageIncomeEventArgs.cs
@@ -1,11 +1,11 @@
 using System;
-using TelegramBotBase.Sessions;
+using TelegramBotBase.Interfaces;
 
 namespace TelegramBotBase.Base;
 
 public class MessageIncomeEventArgs : EventArgs
 {
-    public MessageIncomeEventArgs(long deviceId, DeviceSession device, MessageResult message)
+    public MessageIncomeEventArgs(long deviceId, IDeviceSession device, MessageResult message)
     {
         DeviceId = deviceId;
         Device = device;
@@ -14,7 +14,7 @@ public class MessageIncomeEventArgs : EventArgs
 
     public long DeviceId { get; set; }
 
-    public DeviceSession Device { get; set; }
+    public IDeviceSession Device { get; set; }
 
     public MessageResult Message { get; set; }
 }
\ No newline at end of file
diff --git a/TelegramBotBase/Args/SessionBeginEventArgs.cs b/TelegramBotBase/Args/SessionBeginEventArgs.cs
index 53a54b9..05ed68a 100644
--- a/TelegramBotBase/Args/SessionBeginEventArgs.cs
+++ b/TelegramBotBase/Args/SessionBeginEventArgs.cs
@@ -1,11 +1,11 @@
 using System;
-using TelegramBotBase.Sessions;
+using TelegramBotBase.Interfaces;
 
 namespace TelegramBotBase.Base;
 
 public class SessionBeginEventArgs : EventArgs
 {
-    public SessionBeginEventArgs(long deviceId, DeviceSession device)
+    public SessionBeginEventArgs(long deviceId, IDeviceSession device)
     {
         DeviceId = deviceId;
         Device = device;
@@ -13,5 +13,5 @@ public class SessionBeginEventArgs : EventArgs
 
     public long DeviceId { get; set; }
 
-    public DeviceSession Device { get; set; }
+    public IDeviceSession Device { get; set; }
 }
\ No newline at end of file
diff --git a/TelegramBotBase/Args/SystemExceptionEventArgs.cs b/TelegramBotBase/Args/SystemExceptionEventArgs.cs
index 5fbaf69..7b95290 100644
--- a/TelegramBotBase/Args/SystemExceptionEventArgs.cs
+++ b/TelegramBotBase/Args/SystemExceptionEventArgs.cs
@@ -1,5 +1,5 @@
 using System;
-using TelegramBotBase.Sessions;
+using TelegramBotBase.Interfaces;
 
 namespace TelegramBotBase.Args;
 
@@ -9,7 +9,7 @@ public class SystemExceptionEventArgs : EventArgs
     {
     }
 
-    public SystemExceptionEventArgs(string command, long deviceId, DeviceSession device, Exception error)
+    public SystemExceptionEventArgs(string command, long deviceId, IDeviceSession device, Exception error)
     {
         Command = command;
         DeviceId = deviceId;
@@ -21,7 +21,7 @@ public class SystemExceptionEventArgs : EventArgs
 
     public long DeviceId { get; set; }
 
-    public DeviceSession Device { get; set; }
+    public IDeviceSession Device { get; set; }
 
     public Exception Error { get; set; }
 }
\ No newline at end of file
diff --git a/TelegramBotBase/Args/UnhandledCallEventArgs.cs b/TelegramBotBase/Args/UnhandledCallEventArgs.cs
index 844bc43..8b60703 100644
--- a/TelegramBotBase/Args/UnhandledCallEventArgs.cs
+++ b/TelegramBotBase/Args/UnhandledCallEventArgs.cs
@@ -1,6 +1,6 @@
 using System;
 using Telegram.Bot.Types;
-using TelegramBotBase.Sessions;
+using TelegramBotBase.Interfaces;
 
 namespace TelegramBotBase.Args;
 
@@ -12,7 +12,7 @@ public class UnhandledCallEventArgs : EventArgs
     }
 
     public UnhandledCallEventArgs(string command, string rawData, long deviceId, int messageId, Message message,
-                                  DeviceSession device) : this()
+                                  IDeviceSession device) : this()
     {
         Command = command;
         RawData = rawData;
@@ -26,7 +26,7 @@ public class UnhandledCallEventArgs : EventArgs
 
     public long DeviceId { get; set; }
 
-    public DeviceSession Device { get; set; }
+    public IDeviceSession Device { get; set; }
 
     public string RawData { get; set; }
 
diff --git a/TelegramBotBase/Base/ControlBase.cs b/TelegramBotBase/Base/ControlBase.cs
index 4c25177..3e604aa 100644
--- a/TelegramBotBase/Base/ControlBase.cs
+++ b/TelegramBotBase/Base/ControlBase.cs
@@ -1,5 +1,5 @@
 using System.Threading.Tasks;
-using TelegramBotBase.Sessions;
+using TelegramBotBase.Interfaces;
 
 namespace TelegramBotBase.Base;
 
@@ -8,7 +8,7 @@ namespace TelegramBotBase.Base;
 /// </summary>
 public class ControlBase
 {
-    public DeviceSession Device { get; set; }
+    public IDeviceSession Device { get; set; }
 
     public int Id { get; set; }
 
diff --git a/TelegramBotBase/Base/FormBase.cs b/TelegramBotBase/Base/FormBase.cs
index 160952f..823e1b7 100644
--- a/TelegramBotBase/Base/FormBase.cs
+++ b/TelegramBotBase/Base/FormBase.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 using TelegramBotBase.Args;
 using TelegramBotBase.Base;
 using TelegramBotBase.Form.Navigation;
-using TelegramBotBase.Sessions;
+using TelegramBotBase.Interfaces;
 using static TelegramBotBase.Base.Async;
 
 namespace TelegramBotBase.Form;
@@ -28,7 +28,7 @@ public class FormBase : IDisposable
 
     public NavigationController NavigationController { get; set; }
 
-    public DeviceSession Device { get; set; }
+    public IDeviceSession Device { get; set; }
 
     public MessageClient Client { get; set; }
 
diff --git a/TelegramBotBase/Base/ResultBase.cs b/TelegramBotBase/Base/ResultBase.cs
index 69a4f74..1df1859 100644
--- a/TelegramBotBase/Base/ResultBase.cs
+++ b/TelegramBotBase/Base/ResultBase.cs
@@ -2,13 +2,13 @@
 using System.Threading.Tasks;
 using Telegram.Bot;
 using Telegram.Bot.Types;
-using TelegramBotBase.Sessions;
+using TelegramBotBase.Interfaces;
 
 namespace TelegramBotBase.Base;
 
 public class ResultBase : EventArgs
 {
-    public DeviceSession Device { get; set; }
+    public IDeviceSession Device { get; set; }
 
     public virtual long DeviceId { get; set; }
 
diff --git a/TelegramBotBase/Base/UpdateResult.cs b/TelegramBotBase/Base/UpdateResult.cs
index de41c0a..ab172d5 100644
--- a/TelegramBotBase/Base/UpdateResult.cs
+++ b/TelegramBotBase/Base/UpdateResult.cs
@@ -1,11 +1,11 @@
 using Telegram.Bot.Types;
-using TelegramBotBase.Sessions;
+using TelegramBotBase.Interfaces;
 
 namespace TelegramBotBase.Base;
 
 public class UpdateResult : ResultBase
 {
-    public UpdateResult(Update rawData, DeviceSession device)
+    public UpdateResult(Update rawData, IDeviceSession device)
     {
         RawData = rawData;
         Device = device;
diff --git a/TelegramBotBase/Interfaces/IDeviceSession.cs b/TelegramBotBase/Interfaces/IDeviceSession.cs
index 8e0d95a..3b3b2d0 100644
--- a/TelegramBotBase/Interfaces/IDeviceSession.cs
+++ b/TelegramBotBase/Interfaces/IDeviceSession.cs
@@ -1,10 +1,24 @@
 using System;
+using System.Threading.Tasks;
+using Telegram.Bot.Types.Enums;
+using Telegram.Bot.Types;
 using TelegramBotBase.Form;
+using Telegram.Bot.Types.ReplyMarkups;
+using TelegramBotBase.Args;
+using TelegramBotBase.Base;
+using Telegram.Bot;
+using TelegramBotBase.Sessions;
 
 namespace TelegramBotBase.Interfaces;
 
-internal interface IDeviceSession
+public interface IDeviceSession : IDeviceSessionMethods
 {
+    MessageClient Client => ActiveForm.Client;
+
+    int LastMessageId => LastMessage?.MessageId ?? -1;
+
+    Message LastMessage { get; set; }
+
     /// <summary>
     ///     Device or chat id
     /// </summary>
@@ -35,4 +49,6 @@ internal interface IDeviceSession
     ///     contains if the form has been switched (navigated)
     /// </summary>
     bool FormSwitched { get; set; }
+
+
 }
\ No newline at end of file
diff --git a/TelegramBotBase/Interfaces/IDeviceSessionMethods.cs b/TelegramBotBase/Interfaces/IDeviceSessionMethods.cs
new file mode 100644
index 0000000..8b68911
--- /dev/null
+++ b/TelegramBotBase/Interfaces/IDeviceSessionMethods.cs
@@ -0,0 +1,117 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+using Telegram.Bot.Types.Enums;
+using Telegram.Bot.Types.ReplyMarkups;
+using Telegram.Bot.Types;
+using TelegramBotBase.Form;
+using Telegram.Bot;
+using TelegramBotBase.Base;
+using TelegramBotBase.Args;
+
+namespace TelegramBotBase.Interfaces
+{
+    public interface IDeviceSessionMethods
+    {
+
+        string GetChatTitle();
+
+        Task BanUser(long userId, DateTime until = default);
+
+        Task UnbanUser(long userId);
+
+        Task ChangeChatPermissions(ChatPermissions permissions);
+
+        Task RestrictUser(long userId, ChatPermissions permissions, bool? useIndependentGroupPermission = null, DateTime until = default);
+
+        Task ConfirmAction(string callbackQueryId, string message = "", bool showAlert = false,
+                                    string urlToOpen = null);
+
+        Task<bool> DeleteMessage(int messageId = -1);
+
+        Task<bool> DeleteMessage(Message message);
+
+        Task<Message> HideReplyKeyboard(string closedMsg = "Closed", bool autoDeleteResponse = true);
+
+        Task<Message> Send(string text, ButtonForm buttons = null, int replyTo = 0,
+                                        bool disableNotification = false, ParseMode parseMode = ParseMode.Markdown,
+                                        bool markdownV2AutoEscape = true);
+
+        Task<Message> Send(string text, IReplyMarkup markup, int replyTo = 0,
+                                        bool disableNotification = false, ParseMode parseMode = ParseMode.Markdown,
+                                        bool markdownV2AutoEscape = true);
+
+        Task<Message> Send(string text, InlineKeyboardMarkup markup, int replyTo = 0,
+                                    bool disableNotification = false, ParseMode parseMode = ParseMode.Markdown,
+                                    bool markdownV2AutoEscape = true);
+
+        Task SetAction(ChatAction action);
+
+        Task<Message> SendTextFile(string filename, string textcontent, Encoding encoding = null,
+                                            string caption = "", ButtonForm buttons = null, int replyTo = 0,
+                                            bool disableNotification = false);
+
+        Task<Message> SendDocument(InputFile document, string caption = "",
+                                            ButtonForm buttons = null, int replyTo = 0,
+                                            bool disableNotification = false);
+
+
+        Task<Message> SendPhoto(InputFile file, string caption = null, ButtonForm buttons = null,
+                                         int replyTo = 0, bool disableNotification = false,
+                                         ParseMode parseMode = ParseMode.Markdown);
+
+        Task<Message> SendVideo(InputFile file, string caption = null, ButtonForm buttons = null,
+                                         int replyTo = 0, bool disableNotification = false,
+                                         ParseMode parseMode = ParseMode.Markdown);
+
+
+        Task<Message> SendVideo(string url, ButtonForm buttons = null, int replyTo = 0,
+                                         bool disableNotification = false, ParseMode parseMode = ParseMode.Markdown);
+
+        Task<Message> SendVideo(string filename, byte[] video, ButtonForm buttons = null, int replyTo = 0,
+                                         bool disableNotification = false, ParseMode parseMode = ParseMode.Markdown);
+
+        Task<Message> SendLocalVideo(string filepath, ButtonForm buttons = null, int replyTo = 0,
+                                              bool disableNotification = false,
+                                              ParseMode parseMode = ParseMode.Markdown);
+
+        Task<Message> Edit(int messageId, string text, ButtonForm buttons = null,
+                                    ParseMode parseMode = ParseMode.Markdown);
+
+
+
+        Task<Message> Edit(int messageId, string text, InlineKeyboardMarkup markup,
+                                    ParseMode parseMode = ParseMode.Markdown);
+
+        Task<Message> Edit(Message message, ButtonForm buttons = null,
+                                    ParseMode parseMode = ParseMode.Markdown);
+
+        Task<Message> EditReplyMarkup(int messageId, ButtonForm bf);
+
+        Task<Message> RequestContact(string buttonText = "Send your contact",
+                                              string requestMessage = "Give me your phone number!",
+                                              bool oneTimeOnly = true);
+
+        Task<Message> RequestLocation(string buttonText = "Send your location",
+                                               string requestMessage = "Give me your location!",
+                                               bool oneTimeOnly = true);
+
+
+        Task<ChatMember> GetChatUser(long userId);
+
+
+        event Async.AsyncEventHandler<MessageSentEventArgs> MessageSent;
+
+        event EventHandler<MessageReceivedEventArgs> MessageReceived;
+
+        event EventHandler<MessageDeletedEventArgs> MessageDeleted;
+
+        Task Api(Func<ITelegramBotClient, Task> call);
+
+        Task<T> Api<T>(Func<ITelegramBotClient, Task<T>> call);
+
+        T Raw<T>(Func<ITelegramBotClient, T> call);
+
+    }
+}
diff --git a/TelegramBotBase/Interfaces/IMessageLoopFactory.cs b/TelegramBotBase/Interfaces/IMessageLoopFactory.cs
index 951b7fa..b2b9eac 100644
--- a/TelegramBotBase/Interfaces/IMessageLoopFactory.cs
+++ b/TelegramBotBase/Interfaces/IMessageLoopFactory.cs
@@ -2,13 +2,12 @@
 using System.Threading.Tasks;
 using TelegramBotBase.Args;
 using TelegramBotBase.Base;
-using TelegramBotBase.Sessions;
 
 namespace TelegramBotBase.Interfaces;
 
 public interface IMessageLoopFactory
 {
-    Task MessageLoop(BotBase bot, DeviceSession session, UpdateResult ur, MessageResult e);
+    Task MessageLoop(BotBase bot, IDeviceSession session, UpdateResult ur, MessageResult e);
 
     event EventHandler<UnhandledCallEventArgs> UnhandledCall;
 }
\ No newline at end of file
diff --git a/TelegramBotBase/MessageLoops/FormBaseMessageLoop.cs b/TelegramBotBase/MessageLoops/FormBaseMessageLoop.cs
index bdc6374..d60f7bd 100644
--- a/TelegramBotBase/MessageLoops/FormBaseMessageLoop.cs
+++ b/TelegramBotBase/MessageLoops/FormBaseMessageLoop.cs
@@ -5,7 +5,6 @@ using Telegram.Bot.Types.Enums;
 using TelegramBotBase.Args;
 using TelegramBotBase.Base;
 using TelegramBotBase.Interfaces;
-using TelegramBotBase.Sessions;
 
 namespace TelegramBotBase.MessageLoops;
 
@@ -18,7 +17,7 @@ public class FormBaseMessageLoop : IMessageLoopFactory
 
     private readonly EventHandlerList _events = new();
 
-    public async Task MessageLoop(BotBase bot, DeviceSession session, UpdateResult ur, MessageResult mr)
+    public async Task MessageLoop(BotBase bot, IDeviceSession session, UpdateResult ur, MessageResult mr)
     {
         var update = ur.RawData;
 
diff --git a/TelegramBotBase/MessageLoops/FullMessageLoop.cs b/TelegramBotBase/MessageLoops/FullMessageLoop.cs
index a0c1c51..22a390f 100644
--- a/TelegramBotBase/MessageLoops/FullMessageLoop.cs
+++ b/TelegramBotBase/MessageLoops/FullMessageLoop.cs
@@ -5,7 +5,6 @@ using Telegram.Bot.Types.Enums;
 using TelegramBotBase.Args;
 using TelegramBotBase.Base;
 using TelegramBotBase.Interfaces;
-using TelegramBotBase.Sessions;
 
 namespace TelegramBotBase.MessageLoops;
 
@@ -18,7 +17,7 @@ public class FullMessageLoop : IMessageLoopFactory
 
     private readonly EventHandlerList _events = new();
 
-    public async Task MessageLoop(BotBase bot, DeviceSession session, UpdateResult ur, MessageResult mr)
+    public async Task MessageLoop(BotBase bot, IDeviceSession session, UpdateResult ur, MessageResult mr)
     {
         var update = ur.RawData;
 
diff --git a/TelegramBotBase/MessageLoops/MinimalMessageLoop.cs b/TelegramBotBase/MessageLoops/MinimalMessageLoop.cs
index 8f72f15..c87b393 100644
--- a/TelegramBotBase/MessageLoops/MinimalMessageLoop.cs
+++ b/TelegramBotBase/MessageLoops/MinimalMessageLoop.cs
@@ -4,7 +4,6 @@ using System.Threading.Tasks;
 using TelegramBotBase.Args;
 using TelegramBotBase.Base;
 using TelegramBotBase.Interfaces;
-using TelegramBotBase.Sessions;
 
 namespace TelegramBotBase.MessageLoops;
 
@@ -17,7 +16,7 @@ public class MinimalMessageLoop : IMessageLoopFactory
 
     private readonly EventHandlerList _events = new();
 
-    public async Task MessageLoop(BotBase bot, DeviceSession session, UpdateResult ur, MessageResult mr)
+    public async Task MessageLoop(BotBase bot, IDeviceSession session, UpdateResult ur, MessageResult mr)
     {
         var update = ur.RawData;
 
diff --git a/TelegramBotBase/SessionManager.cs b/TelegramBotBase/SessionManager.cs
index 7e9d257..5e6975e 100644
--- a/TelegramBotBase/SessionManager.cs
+++ b/TelegramBotBase/SessionManager.cs
@@ -21,7 +21,7 @@ public class SessionManager
     public SessionManager(BotBase botBase)
     {
         BotBase = botBase;
-        SessionList = new Dictionary<long, DeviceSession>();
+        SessionList = new Dictionary<long, IDeviceSession>();
     }
 
     /// <summary>
@@ -32,7 +32,7 @@ public class SessionManager
     /// <summary>
     ///     A list of all active sessions.
     /// </summary>
-    public Dictionary<long, DeviceSession> SessionList { get; set; }
+    public Dictionary<long, IDeviceSession> SessionList { get; set; }
 
 
     /// <summary>
@@ -45,7 +45,7 @@ public class SessionManager
     /// </summary>
     /// <param name="deviceId"></param>
     /// <returns></returns>
-    public DeviceSession GetSession(long deviceId)
+    public IDeviceSession GetSession(long deviceId)
     {
         var ds = SessionList.FirstOrDefault(a => a.Key == deviceId).Value ?? null;
         return ds;
@@ -57,7 +57,7 @@ public class SessionManager
     /// <typeparam name="T"></typeparam>
     /// <param name="deviceId"></param>
     /// <returns></returns>
-    public async Task<DeviceSession> StartSession(long deviceId)
+    public async Task<IDeviceSession> StartSession(long deviceId)
     {
         var start = BotBase.StartFormFactory.CreateForm();
 
@@ -91,7 +91,7 @@ public class SessionManager
     ///     Returns all active User Sessions.
     /// </summary>
     /// <returns></returns>
-    public List<DeviceSession> GetUserSessions()
+    public List<IDeviceSession> GetUserSessions()
     {
         return SessionList.Where(a => a.Key > 0).Select(a => a.Value).ToList();
     }
@@ -100,7 +100,7 @@ public class SessionManager
     ///     Returns all active Group Sessions.
     /// </summary>
     /// <returns></returns>
-    public List<DeviceSession> GetGroupSessions()
+    public List<IDeviceSession> GetGroupSessions()
     {
         return SessionList.Where(a => a.Key < 0).Select(a => a.Value).ToList();
     }