diff --git a/README.rst b/README.rst
index 4afc9f0..7d5a008 100644
--- a/README.rst
+++ b/README.rst
@@ -44,6 +44,7 @@ Basic functions are implemented already:
  - uuid_kill
  - answer
  - sleep
+ - return channel variable
 
 With current api, it's easy to mix sync and async actions, for example:
 play_and_get_digits method will return the pressed DTMF digits in a block mode,
diff --git a/greenswitch/esl.py b/greenswitch/esl.py
index 1e9cebd..7f29dc0 100644
--- a/greenswitch/esl.py
+++ b/greenswitch/esl.py
@@ -287,6 +287,13 @@ def call_uuid(self):
     @property
     def caller_id_number(self):
         return self.session_data.get('Caller-Caller-ID-Number')
+    
+    def get_channel_variable(self, variable_name):
+        return self.session_data.get(str(variable_name))
+
+    @property
+    def caller_destination_number(self):
+        return self.session_data.get('Caller-Destination-Number')
 
     def on_disconnect(self, event):
         if self._lingering: