diff --git a/PyMtApi5/client.py b/PyMtApi5/client.py
index 26347dfd..d1ce7149 100644
--- a/PyMtApi5/client.py
+++ b/PyMtApi5/client.py
@@ -76,6 +76,8 @@ class Mt5ApiApp:
             self.process_symbols_total(mtapi, pieces[1])
         elif pieces[0] == "SymbolName":
             self.process_symbol_name(mtapi, pieces[1])
+        elif pieces[0] == "SymbolSelect":
+            self.process_symbol_select(mtapi, pieces[1])
         else:
             print(f"! Unknown command: {pieces[0]}")
 
@@ -154,8 +156,7 @@ class Mt5ApiApp:
         if not parameters or len(parameters) == 0:
             print(f"! Invalid parameters for command SymbolsTotal: {parameters}")
             return
-        parameters = parameters[:len(parameters) - 1]
-        selected = parameters == "True"
+        selected = parameters[:len(parameters) - 1] == "True"
         result = mtpapi.symbols_total(selected)
         print(f"> SymbolsTotal: response = {result}") 
 
@@ -169,6 +170,15 @@ class Mt5ApiApp:
         result = mtpapi.symbol_name(pos, selected)
         print(f"> SymbolName: response = {result}") 
 
+    def process_symbol_select(self, mtpapi, parameters):
+        pieces = parameters.split(' ', 1)
+        if len(pieces) != 2 or not pieces[0] or not pieces[1] or len(pieces[1]) == 0:
+            print(f"! Invalid parameters for command SymbolSelect: {parameters}")
+            return
+        selected = pieces[1][:len(pieces[1]) - 1] == "True"
+        result = mtpapi.symbol_select(pieces[0], selected)
+        print(f"> SymbolSelect: response = {result}") 
+
     def mtapi_command_thread(self, mtapi):
         while mtapi.is_connected():
             filename = "client.cmd"
diff --git a/PyMtApi5/mt5apiclient.py b/PyMtApi5/mt5apiclient.py
index 47dac25a..d203ede3 100644
--- a/PyMtApi5/mt5apiclient.py
+++ b/PyMtApi5/mt5apiclient.py
@@ -304,11 +304,18 @@ class Mt5ApiClient:
         return self.__send_command(
             self.__get_default_expert(), Mt5CommandType.SymbolsTotal, cmd_params)
 
+    # SymbolName
     def symbol_name(self, pos: int, selected: bool):
         cmd_params = {"Pos": pos, "Selected" : selected}
         return self.__send_command(
             self.__get_default_expert(), Mt5CommandType.SymbolName, cmd_params)
 
+    # SymbolSelect
+    def symbol_select(self, symbol_name: str, selected: bool):
+        cmd_params = {"Symbol": symbol_name, "Selected": selected}
+        return self.__send_command(
+            self.__get_default_expert(), Mt5CommandType.SymbolSelect, cmd_params)
+
     # Private methods
 
     def __event_thread_func(self):