'Initialize the UsageInstance
:returns: twilio.rest.preview.wireless.sim.usage.UsageInstance
:rtype: twilio.rest.preview.wireless.sim.usage.UsageInstance'

def __init__(self, version, payload, sim_sid):

    super(UsageInstance, self).__init__(version)
    self._properties = {'sim_sid': payload['sim_sid'], 'sim_unique_name': payload['sim_unique_name'], 'account_sid': payload['account_sid'], 'period': payload['period'], 'commands_usage': payload['commands_usage'], 'commands_costs': payload['commands_costs'], 'data_usage': payload['data_usage'], 'data_costs': payload['data_costs'], 'url': payload['url']}
    self._context = None
    self._solution = {'sim_sid': sim_sid}
