diff --git a/README.md b/README.md
index 03913a5..f0dca81 100644
--- a/README.md
+++ b/README.md
@@ -140,6 +140,8 @@ Below we have 3 options.
 
 /form2 - navigates in this context to form2
 
+/params - demonstrates the use of parameters per command (i.e. /params 1 2 3 test ...)
+
 
 
 ```
@@ -149,6 +151,8 @@ Below we have 3 options.
             bb.SystemCalls.Add("/form1");
             bb.SystemCalls.Add("/form2");
 
+            bb.SystemCalls.Add("/params");
+
             bb.SystemCall += async (s, en) =>
             {
                 switch (en.Command)
@@ -160,12 +164,21 @@ Below we have 3 options.
                         await en.Device.ActiveForm.NavigateTo(form1);
 
                         break;
+
                     case "/form2":
 
                         var form2 = new TestForm2();
 
                         await en.Device.ActiveForm.NavigateTo(form2);
 
+                        break;
+
+                    case "/params":
+
+                        String m = en.Parameters.DefaultIfEmpty("").Aggregate((a, b) => a + " and " + b);
+
+                        await en.Device.Send("Your parameters are " + m, replyTo: en.Device.LastMessage);
+
                         break;
                 }
 
diff --git a/TelegramBaseTest/Program.cs b/TelegramBaseTest/Program.cs
index 34ad259..d2b7b63 100644
--- a/TelegramBaseTest/Program.cs
+++ b/TelegramBaseTest/Program.cs
@@ -14,7 +14,7 @@ namespace TelegramBaseTest
         static void Main(string[] args)
         {
 
-            String APIKey = "480896099:AAEtq_owUqRH62DR0gYc-ZWRI_TWl8El1YQ";
+            String APIKey = "{YOUR API KEY}";
 
             BotBase<Start> bb = new BotBase<Start>(APIKey);
 
@@ -22,6 +22,8 @@ namespace TelegramBaseTest
             bb.SystemCalls.Add("/form1");
             bb.SystemCalls.Add("/form2");
 
+            bb.SystemCalls.Add("/params");
+
             bb.SystemCall += async (s, en) =>
             {
                 switch (en.Command)
@@ -33,12 +35,21 @@ namespace TelegramBaseTest
                         await en.Device.ActiveForm.NavigateTo(form1);
 
                         break;
+
                     case "/form2":
 
                         var form2 = new TestForm2();
 
                         await en.Device.ActiveForm.NavigateTo(form2);
 
+                        break;
+
+                    case "/params":
+
+                        String m = en.Parameters.DefaultIfEmpty("").Aggregate((a, b) => a + " and " + b);
+
+                        await en.Device.Send("Your parameters are " + m, replyTo: en.Device.LastMessage);
+
                         break;
                 }
 
diff --git a/TelegramBotBase/Base/MessageResult.cs b/TelegramBotBase/Base/MessageResult.cs
index 6f0ad9b..5ba363e 100644
--- a/TelegramBotBase/Base/MessageResult.cs
+++ b/TelegramBotBase/Base/MessageResult.cs
@@ -61,6 +61,46 @@ namespace TelegramBotBase.Base
             }
         }
 
+        /// <summary>
+        /// Is this a system call ? Starts with a slash and command
+        /// </summary>
+        public bool IsSystemCall
+        {
+            get
+            {
+                return (this.MessageText.StartsWith("/"));
+            }
+        }
+
+        /// <summary>
+        /// Returns a List of all parameters which has been sent with the command itself (i.e. /start 123 456 789 => 123,456,789)
+        /// </summary>
+        public List<String> SystemCallParameters
+        {
+            get
+            {
+                if (!IsSystemCall)
+                    return new List<string>();
+
+                //Split by empty space and skip first entry (command itself), return as list
+                return this.MessageText.Split(' ').Skip(1).ToList();
+            }
+        }
+
+        /// <summary>
+        /// Returns just the System call command (i.e. /start 1 2 3 => /start)
+        /// </summary>
+        public String SystemCommand
+        {
+            get
+            {
+                if (!IsSystemCall)
+                    return null;
+
+                return this.MessageText.Split(' ')[0];
+            }
+        }
+
         public bool Handled { get; set; } = false;
 
         public String RawData
diff --git a/TelegramBotBase/Base/SystemCallEventArgs.cs b/TelegramBotBase/Base/SystemCallEventArgs.cs
index 55f39d2..5339acc 100644
--- a/TelegramBotBase/Base/SystemCallEventArgs.cs
+++ b/TelegramBotBase/Base/SystemCallEventArgs.cs
@@ -14,9 +14,13 @@ namespace TelegramBotBase.Base
     {
         public String Command { get; set; }
 
+        public List<String> Parameters { get; set; }
+
         public long DeviceId { get; set; }
 
-        public DeviceSession Device {get;set;}
+        public DeviceSession Device { get; set; }
+
+        public bool Handled { get; set; } = false;
 
 
         public SystemCallEventArgs()
@@ -25,9 +29,10 @@ namespace TelegramBotBase.Base
 
         }
 
-        public SystemCallEventArgs(String Command, long DeviceId, DeviceSession Device)
+        public SystemCallEventArgs(String Command, List<String> Parameters, long DeviceId, DeviceSession Device)
         {
             this.Command = Command;
+            this.Parameters = Parameters;
             this.DeviceId = DeviceId;
             this.Device = Device;
         }
diff --git a/TelegramBotBase/BotBase.cs b/TelegramBotBase/BotBase.cs
index 647b2a3..7a941e4 100644
--- a/TelegramBotBase/BotBase.cs
+++ b/TelegramBotBase/BotBase.cs
@@ -60,7 +60,7 @@ namespace TelegramBotBase
         /// <summary>
         /// How often could a form navigate to another (within one user action/call/message)
         /// </summary>
-        private const int NavigationMaximum  = 10;
+        private const int NavigationMaximum = 10;
 
         /// <summary>
         /// Simple start of your Bot with the APIKey
@@ -162,13 +162,13 @@ namespace TelegramBotBase
             ds.LastAction = DateTime.Now;
             ds.LastMessage = e.MessageId;
 
-
             //Is this a systemcall ?
-            if (e.Message.Text != null && this.SystemCalls.Contains(e.Message.Text))
+            if (e.IsSystemCall && this.SystemCalls.Contains(e.SystemCommand))
             {
-                var sce = new SystemCallEventArgs(e.Message.Text, ds.DeviceId, ds);
+                var sce = new SystemCallEventArgs(e.SystemCommand, e.SystemCallParameters, ds.DeviceId, ds);
                 OnSystemCall(sce);
-                //return;
+
+                return;
             }
 
             FormBase activeForm = null;
@@ -340,7 +340,6 @@ namespace TelegramBotBase
         public void OnSystemCall(SystemCallEventArgs e)
         {
             (this.__Events[__evSystemCall] as EventHandler<SystemCallEventArgs>)?.Invoke(this, e);
-
         }
 
         /// <summary>
diff --git a/TelegramBotBase/Properties/AssemblyInfo.cs b/TelegramBotBase/Properties/AssemblyInfo.cs
index 0494ad9..23d83d6 100644
--- a/TelegramBotBase/Properties/AssemblyInfo.cs
+++ b/TelegramBotBase/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
 // übernehmen, indem Sie "*" eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.2.1.0")]
-[assembly: AssemblyFileVersion("1.2.1.0")]
+[assembly: AssemblyVersion("1.3.0.0")]
+[assembly: AssemblyFileVersion("1.3.0.0")]