def create(self, attributes=values.unset, twilio_address=values.unset,<EOL>date_created=values.unset, date_updated=values.unset,<EOL>identity=values.unset, user_address=values.unset):
data = values.of({<EOL>'<STR_LIT>': identity,<EOL>'<STR_LIT>': user_address,<EOL>'<STR_LIT>': attributes,<EOL>'<STR_LIT>': twilio_address,<EOL>'<STR_LIT>': serialize.iso8601_datetime(date_created),<EOL>'<STR_LIT>': serialize.iso8601_datetime(date_updated),<EOL>})<EOL>payload = self._version.create(<EOL>'<STR_LIT:POST>',<EOL>self._uri,<EOL>data=data,<EOL>)<EOL>return ParticipantInstance(self._version, payload, session_sid=self._solution['<STR_LIT>'], )<EOL>
Create a new ParticipantInstance

:param unicode attributes: An optional string metadata field you can use to store any data you wish.
:param unicode twilio_address: The address of the Twilio phone number that the participant is in contact with.
:param datetime date_created: The date that this resource was created.
:param datetime date_updated: The date that this resource was last updated.
:param unicode identity: A unique string identifier for the session participant as Chat User.
:param unicode user_address: The address of the participant's device.

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