diff --git a/bin/main.ml b/bin/main.ml
index 0bea756..57e75d5 100644
--- a/bin/main.ml
+++ b/bin/main.ml
@@ -9,15 +9,14 @@ let start driver =
 ;;
 
 let stop (driver_process, session_id) =
-  let data = close_session session_id in
-  print_endline data;
+  if not (close_session session_id) then print_endline "Can't close the session";
   stop_process driver_process
 ;;
 
-let main () = ()
+let main session_id = print_endline session_id
 
 let () =
   let data = start (Gecko "0.33.0") in
-  main ();
+  main (snd data);
   stop data
 ;;
diff --git a/lib/dune b/lib/dune
index 06f86ac..d3a429f 100644
--- a/lib/dune
+++ b/lib/dune
@@ -1,4 +1,4 @@
 (library
  (name pusk)
  (modules utils drivers net json)
- (libraries cohttp-lwt-unix))
+ (libraries cohttp-lwt-unix yojson))
diff --git a/lib/net.ml b/lib/net.ml
index ce52d7c..1ead188 100644
--- a/lib/net.ml
+++ b/lib/net.ml
@@ -22,12 +22,19 @@ let execute_request url json =
 ;;
 
 let get_session () =
-  let body = execute_request (fmt "%s/session" url) Json.connection_payload in
-  print_endline body;
-  body
+  let response = execute_request (fmt "%s/session" url) Json.connection_payload in
+  match Yojson.Safe.from_string response with
+  | `Assoc fields ->
+    let value = List.assoc "value" fields in
+    let rec find_session_id = function
+      | ("sessionId", `String session_id) :: _ -> session_id
+      | _ :: rest -> find_session_id rest
+      | [] -> failwith "Session ID not found"
+    in
+    find_session_id (Yojson.Safe.Util.to_assoc value)
+  | _ -> failwith "Invalid JSON"
 ;;
 
-(* match Yojson.Safe.from_string body with
-  | _ as e -> print_endline e *)
-
-let close_session id = Lwt_main.run (send_delete_request (fmt "%s/session/%s" url id))
+let close_session id =
+  Lwt_main.run (send_delete_request (fmt "%s/session/%s" url id)) = "{\"value\":null}"
+;;