diff --git a/include/ITrigger.h b/include/ITrigger.h
deleted file mode 100644
index 71193dc..0000000
--- a/include/ITrigger.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#pragma once
-#include <Arduino.h>
-
-class ITrigger
-{
-public:
-    ITrigger(/* args */) = default;
-    ~ITrigger() = default;
-
-    virtual void printText(String text) = 0;
-    virtual void printOpen() = 0;
-    virtual void printClose() = 0;
-};
-    
\ No newline at end of file
diff --git a/include/Telegram.h b/include/Telegram.h
index 88fce14..1f53762 100644
--- a/include/Telegram.h
+++ b/include/Telegram.h
@@ -3,7 +3,11 @@
 #include <UniversalTelegramBot.h>
 #include <WiFiClientSecure.h>
 
-#include "ITrigger.h"
+struct TelegramCommand
+{
+    const String command;
+    void (*const functionPointer) (const String arguments);
+};
 
 class Telegram
 {
@@ -13,14 +17,15 @@ private:
 
 
     unsigned long bot_lasttime;          // last time messages' scan has been done
-    ITrigger &trigger;
     WiFiClientSecure &secured_client;
     UniversalTelegramBot bot;
+    TelegramCommand *cmdList;
+    uint32_t cmdListCount;
 
     void handleNewMessages(int numNewMessages);
 
 public:
-    Telegram(WiFiClientSecure &sec_client, ITrigger &trig);
+    Telegram(WiFiClientSecure &sec_client, TelegramCommand commandList[], uint32_t commandListCount);
     ~Telegram();
 
     void init();
diff --git a/src/Telegram.cpp b/src/Telegram.cpp
index 9bc50f7..be68d9a 100644
--- a/src/Telegram.cpp
+++ b/src/Telegram.cpp
@@ -36,41 +36,44 @@ void Telegram::handleNewMessages(int numNewMessages)
             // more info here - https://core.telegram.org/bots/api#sendchataction
         }
 
-        if (text == "/send_test_action2")
+        for (uint32_t i = 0; i < cmdListCount; i++)
         {
-            bot.sendChatAction(chat_id, "find_location");
-            delay(4000);
-            bot.sendMessage(chat_id, "Did you see the action message?");
-        }
+            if (text.startsWith(cmdList[i].command))
+            {
+                String Arguments = "";
+                if (text.length() > cmdList[i].command.length() + 1)
+                {
+                    //Arguments are on space behind the command string
+                    Arguments = text.substring(cmdList[i].command.length() + 1);
+                }
 
-        if (text.startsWith("/txt "))
-        {
-            trigger.printText(text.substring(5));
-        }
+                if (cmdList[i].functionPointer != nullptr)
+                {
+                    cmdList[i].functionPointer(Arguments);
+                }
 
-        if (text.startsWith("/open"))
-        {
-            trigger.printOpen();
+                break;
+            }
         }
-
-        if (text.startsWith("/close"))
+        
+        if (text == "/display_start")
         {
-            trigger.printClose();
-        }
+            String welcome = "Willkommen beim Tür-Display-Bot," + from_name + ".\n";
+            welcome += "Hier kommen die möglichen Kommandos, die ich verstehe:\n";
+
+            for (uint32_t i = 0; i < cmdListCount; i++)
+            {
+                welcome += cmdList[i].command + "\n";
+            }
 
-        if (text == "/start")
-        {
-            String welcome = "Welcome to Universal Arduino Telegram Bot library, " + from_name + ".\n";
-            welcome += "This is Chat Action Bot example.\n\n";
-            welcome += "/send_test_action : to send test chat action message\n";
-            welcome += "/send_test_action2 : to send test chat action message\n";
             bot.sendMessage(chat_id, welcome);
         }
     }
 }
 
-Telegram::Telegram(WiFiClientSecure &sec_client, ITrigger &trig)
-    : trigger(trig), secured_client(sec_client), bot(BOT_TOKEN, sec_client) {}
+Telegram::Telegram(WiFiClientSecure &sec_client, TelegramCommand commandList[], uint32_t commandListCount)
+    : secured_client(sec_client), bot(BOT_TOKEN, sec_client), cmdList(commandList), cmdListCount(commandListCount)
+    { }
 
 Telegram::~Telegram() {}
 
diff --git a/src/main.cpp b/src/main.cpp
index c14655d..7be3817 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,48 +1,50 @@
 #include <Arduino.h>
 #include <WiFi.h>
 #include <WiFiClientSecure.h>
+#include <ArduinoOTA.h>
 
 #include "Telegram.h"
-#include "ITrigger.h"
 #include "FlipDotDrv.h"
 #include "secrets.h"
 
+bool OTAStarted;
+void onOTAStart() {
+  OTAStarted = true;
+}
+
 // BearSSL::WiFiClientSecure secured_client;
 WiFiClientSecure secured_client;
 bool Start = false;
 
 FlipDotDrv flip(96, 16, 1);
 
-class myTrigger : public ITrigger
+void printOpen(String Args)
 {
-private:
-  /* data */
-public:
-  myTrigger(/* args */) = default;
-  ~myTrigger() = default;
+  flip.printText("offen", 18, 0, 2);
+}
 
-  void printText(String text) override
-  {
-    Serial.print("Display would show '");
-    Serial.print(text);
-    Serial.println("'");
-    flip.printText(text.c_str());
-  }
+void printClose(String Args)
+{
+  flip.printText("geschlossen", 15, 4, 1);
+}
 
-  void printOpen() override
-  {
-    flip.printText("offen", 18, 0, 2);
-  }
+void printText(String Args) 
+{
+  Serial.print("Display would show '");
+  Serial.print(Args);
+  Serial.println("'");
+  flip.printText(Args.c_str());
+}
 
-  void printClose() override
-  {
-    flip.printText("geschlossen", 15, 4, 1);
-  }
+TelegramCommand myCmdList[]  {
+  {"/display_open",     printOpen},
+  {"/display_close",    printClose},
+  {"/display_text",     printText},
+};
 
-} trigg;
+uint32_t myCmdListCnt = sizeof(myCmdList) / sizeof(myCmdList[0]);
 
-
-Telegram tele(secured_client, trigg);
+Telegram tele(secured_client, myCmdList, myCmdListCnt);
 
 uint8_t rawBuff[192] = {};