def get_slo_url(self):
url = None<EOL>idp_data = self.__settings.get_idp_data()<EOL>if '<STR_LIT>' in idp_data.keys() and '<STR_LIT:url>' in idp_data['<STR_LIT>']:<EOL><INDENT>url = idp_data['<STR_LIT>']['<STR_LIT:url>']<EOL><DEDENT>return url<EOL>
Gets the SLO URL.

:returns: An URL, the SLO endpoint of the IdP
:rtype: string