'Initialize the CredentialListInstance
:returns: twilio.rest.trunking.v1.trunk.credential_list.CredentialListInstance
:rtype: twilio.rest.trunking.v1.trunk.credential_list.CredentialListInstance'

def __init__(self, version, payload, trunk_sid, sid=None):

    super(CredentialListInstance, self).__init__(version)
    self._properties = {'account_sid': payload['account_sid'], 'sid': payload['sid'], 'trunk_sid': payload['trunk_sid'], 'friendly_name': payload['friendly_name'], 'date_created': deserialize.iso8601_datetime(payload['date_created']), 'date_updated': deserialize.iso8601_datetime(payload['date_updated']), 'url': payload['url']}
    self._context = None
    self._solution = {'trunk_sid': trunk_sid, 'sid': (sid or self._properties['sid'])}
