def on_start(self, session, session_context):
session_id = session.session_id<EOL>web_registry = session_context['<STR_LIT>']<EOL>if self.is_session_id_cookie_enabled:<EOL><INDENT>web_registry.session_id = session_id<EOL>logger.debug("<STR_LIT>" + str(session_id))<EOL><DEDENT>else:<EOL><INDENT>msg = ("<STR_LIT>"<EOL>"<STR_LIT>" + str(session_id))<EOL>logger.debug(msg)<EOL><DEDENT>
Stores the Session's ID, usually as a Cookie, to associate with future
requests.

:param session: the session that was just ``createSession`` created