@property<EOL><INDENT>def alpha_senders(self):<DEDENT>
if self._alpha_senders is None:<EOL><INDENT>self._alpha_senders = AlphaSenderList(self._version, service_sid=self._solution['<STR_LIT>'], )<EOL><DEDENT>return self._alpha_senders<EOL>
Access the alpha_senders

:returns: twilio.rest.messaging.v1.service.alpha_sender.AlphaSenderList
:rtype: twilio.rest.messaging.v1.service.alpha_sender.AlphaSenderList