python pip install facebook-sdk python import facebook def authorize_app(app_id, app_secret): oauth_access_token = facebook.get_app_access_token(app_id, app_secret) graph = facebook.GraphAPI(access_token=oauth_access_token, version='3.2') redirect_url = 'https://www.facebook.com/connect/login_success.html' scope = 'public_profile,email,publish_pages,manage_pages' auth_url = graph.get_auth_url(app_id, redirect_url, scope) print(auth_url) access_token = graph.get_access_token_from_code(code, redirect_url, app_id, app_secret) return access_token python import facebook def send_notification(access_token, user_id, message): graph = facebook.GraphAPI(access_token, version='3.2') graph.put_object(parent_object=user_id, connection_name='notifications', template=meassage) def send_message(access_token, user_id, message): graph = facebook.GraphAPI(access_token, version='3.2') graph.put_object(parent_object=user_id, connection_name='messages', message=message) python app_id = 'YOUR_APP_ID' app_secret = 'YOUR_APP_SECRET' access_token = authorize_app(app_id, app_secret) user_id = 'USER_ID_TO_SEND_NOTIFICATION_OR_MESSAGE_TO' message = 'YOUR_MESSAGE' send_notification(access_token, user_id, message) send_message(access_token, user_id, message)