<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _getEndpoint(self, add_tags=None):
 """ Override Build Loggly's RESTful API endpoint """


        return 'https://logs-01.loggly.com/bulk/{0}/tag/{1}/'.format(
            self.custom_token,
            self._implodeTags(add_tags=add_tags)
        )