Improve MultiOn client toolkit prompts (#9222)

- Updated prompts for the MultiOn toolkit for better functionality
- Non-blocking but good to have it merged to improve the overall
performance for the toolkit
 
@hinthornw @hwchase17

---------

Co-authored-by: Naman Garg <ngarg3@binghamton.edu>

libs/langchain/langchain/tools/multion/create_session.py

@@ -40,9 +40,14 @@ class MultionCreateSession(BaseTool):
     """
 
     name: str = "create_multion_session"
-    description: str = """Use this tool to create a new Multion Browser Window \
-        with provided fields.Always the first step to run \
-            any activities that can be done using browser."""
+    description: str = """
+        Create a new web browsing session based on a user's command or request. \
+        The command should include the full info required for the session. \
+        Also include an url (defaults to google.com if no better option) \
+        to start the session. \
+        Use this tool to create a new Browser Window with provided fields. \
+        Always the first step to run any activities that can be done using browser.
+        """
     args_schema: Type[CreateSessionSchema] = CreateSessionSchema
 
     def _run(

libs/langchain/langchain/tools/multion/update_session.py

@@ -44,10 +44,10 @@ class MultionUpdateSession(BaseTool):
 
     name: str = "update_multion_session"
     description: str = """Use this tool to update \
-        a existing corresponding \
-    Multion Browser Window with provided fields. \
-        Note:TabId is got from one of the previous Browser window creation."""
+an existing corresponding Multion Browser Window with provided fields. \
+Note: TabId must be received from previous Browser window creation."""
     args_schema: Type[UpdateSessionSchema] = UpdateSessionSchema
+    tabId: str = ""
 
     def _run(
         self,
@@ -63,9 +63,10 @@ class MultionUpdateSession(BaseTool):
                 self.tabId = tabId
                 return content
             except Exception as e:
-                print(f"{e}, creating a new session")
-                response = multion.new_session({"input": query, "url": url})
-                self.tabID = response["tabId"]
-                return {"tabId": response["tabId"], "Response": response["message"]}
+                print(f"{e}, retrying...")
+                return {"error": f"{e}", "Response": "retrying..."}
+                # response = multion.new_session({"input": query, "url": url})
+                # self.tabID = response["tabId"]
+                # return {"tabId": response["tabId"], "Response": response["message"]}
         except Exception as e:
             raise Exception(f"An error occurred: {e}")