'Initialize the ParticipantInstance
:returns: twilio.rest.api.v2010.account.conference.participant.ParticipantInstance
:rtype: twilio.rest.api.v2010.account.conference.participant.ParticipantInstance'

def __init__(self, version, payload, account_sid, conference_sid, call_sid=None):

    super(ParticipantInstance, self).__init__(version)
    self._properties = {'account_sid': payload['account_sid'], 'call_sid': payload['call_sid'], 'conference_sid': payload['conference_sid'], 'date_created': deserialize.rfc2822_datetime(payload['date_created']), 'date_updated': deserialize.rfc2822_datetime(payload['date_updated']), 'end_conference_on_exit': payload['end_conference_on_exit'], 'muted': payload['muted'], 'hold': payload['hold'], 'start_conference_on_enter': payload['start_conference_on_enter'], 'status': payload['status'], 'uri': payload['uri']}
    self._context = None
    self._solution = {'account_sid': account_sid, 'conference_sid': conference_sid, 'call_sid': (call_sid or self._properties['call_sid'])}
