def open_recruitment(self, n=<NUM_LIT:1>):
raise NotImplementedError<EOL>
Return a list of one or more initial recruitment URLs and an initial
        recruitment message:
        {
            items: [
                'https://experiment-url-1',
                'https://experiemnt-url-2'
            ],
            message: 'More info about this particular recruiter's process'
        }