def create(self, identifier, friendly_name=values.unset,<EOL>proxy_identifier=values.unset, proxy_identifier_sid=values.unset):
data = values.of({<EOL>'<STR_LIT>': identifier,<EOL>'<STR_LIT>': friendly_name,<EOL>'<STR_LIT>': proxy_identifier,<EOL>'<STR_LIT>': proxy_identifier_sid,<EOL>})<EOL>payload = self._version.create(<EOL>'<STR_LIT:POST>',<EOL>self._uri,<EOL>data=data,<EOL>)<EOL>return ParticipantInstance(<EOL>self._version,<EOL>payload,<EOL>service_sid=self._solution['<STR_LIT>'],<EOL>session_sid=self._solution['<STR_LIT>'],<EOL>)<EOL>
Create a new ParticipantInstance

:param unicode identifier: The phone number of the Participant
:param unicode friendly_name: The string that you assigned to describe the participant
:param unicode proxy_identifier: The proxy phone number to use for the Participant
:param unicode proxy_identifier_sid: The Proxy Identifier Sid

:returns: Newly created ParticipantInstance
:rtype: twilio.rest.proxy.v1.service.session.participant.ParticipantInstance