Update ExtLibAskUserFlow.py

ExtLibAskUserFlow.py

@@ -10,6 +10,18 @@ log = logging.get_logger(f"flows.{__name__}")
 
 
 class ExtLibAskUserFlow(HumanStandardInputFlow):
+    """This class is used to ask for user feedback whenever the controller is unsure of something, or need confirmation, etc.
+
+    *Expected Input*:
+    - `question`: The question asked by the controller
+
+    *Expected Behaviour*:
+    - The question is displayed, and the user gives feedback by inputing string.
+
+    *Expected Ouput*:
+    - `result`: The input of the user.
+    - `summary`: The summary that will be written by the caller.
+    """
     def run(self,
             input_data: Dict[str, Any]) -> Dict[str, Any]: