@utm_source.setter<EOL><INDENT>def utm_source(self, value):<DEDENT>
self._utm_source = value<EOL>
Name of the referrer source.
        e.g. Google, SomeDomain.com, or Marketing Email

        :param value: Name of the referrer source.
        e.g. Google, SomeDomain.com, or Marketing Email
        :type value: string