diff --git a/PyMtApi5/client.py b/PyMtApi5/client.py
index 757b281d..320f6be7 100644
--- a/PyMtApi5/client.py
+++ b/PyMtApi5/client.py
@@ -68,6 +68,7 @@ class Mt5ApiApp:
             "ChartFirst": self.process_chart_first,
             "ChartNext": self.process_chart_next,
             "ChartClose": self.process_chart_close,
+            "ChartSymbol": self.process_chart_symbol,
         }
 
     def on_disconnect(self, error_msg=None):
@@ -505,6 +506,10 @@ class Mt5ApiApp:
         result = mtapi.chart_close(int(parameters))
         print(f"> ChartClose: response = {result}")
 
+    def process_chart_symbol(self, mtapi, parameters):
+        result = mtapi.chart_symbol(int(parameters))
+        print(f"> ChartSymbol: 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 5f989f7d..a1ffe2d9 100644
--- a/PyMtApi5/mt5apiclient.py
+++ b/PyMtApi5/mt5apiclient.py
@@ -512,6 +512,10 @@ class Mt5ApiClient:
         cmd_params = {"ChartId": chart_id}
         return self.__send_command(self.__get_default_expert(), Mt5CommandType.ChartClose, cmd_params)
 
+    def chart_symbol(self, chart_id):
+        cmd_params = {"ChartId": chart_id}
+        return self.__send_command(self.__get_default_expert(), Mt5CommandType.ChartSymbol, cmd_params)
+
     # Private methods
 
     def __event_thread_func(self):