listNotes

$accessToken = $_SESSION['accessToken'];
            $client = new Client(array(
                'token' => $accessToken,
                'sandbox' => SANDBOX
            ));
            $notebooks = $client->getNoteStore()->listNotebooks();
            $result = array();
            $result2 = array();
            if (!empty($notebooks)) {
                foreach ($notebooks as $notebook) {
                    $nbguids[] = $notebook->guid;
                }

            }
            if (!empty($nbguids)) {
                foreach ($nbguids as $nbguid) {
                    $filter = new NoteFilter();;
                    $filter->notebookGuid = $nbguid;
                    $notes = $client->getNoteStore()->findNotes($accessToken, $filter, 0, 100); // Fetch up to 100 notes
                    if (!empty($notes->notes)) {
                    foreach ($notes->notes as $note) {
                        $result[] = $note->title;
                        $result2[] = $note->guid;
                    }
                }
            }
            $_SESSION['notes_title'] = $result;
            $_SESSION['notes_guid'] = $result2;