diff --git a/MtApi/MtCommandType.cs b/MtApi/MtCommandType.cs
index 20741383..5c24f404 100755
--- a/MtApi/MtCommandType.cs
+++ b/MtApi/MtCommandType.cs
@@ -185,6 +185,9 @@ namespace MtApi
         iTimeArray                          = 149,
 
         //
-        RefreshRates                        = 150
+        RefreshRates                        = 150,
+        //
+        TerminalInfoString                  = 153,
+        SymbolInfoString                    = 154
     }
 }
diff --git a/MtApi/MtTypes.cs b/MtApi/MtTypes.cs
new file mode 100755
index 00000000..0b015dc6
--- /dev/null
+++ b/MtApi/MtTypes.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace MtApi
+{
+    class MtTypes
+    {
+    }
+
+    public enum ENUM_TERMINAL_INFO_STRING
+    {
+
+    }
+}