private async Task initialzation(string certificatePath)
{
_restfulAPIHelper = new RestfulAPIHelper(_hwProductKey.email, _hwProductKey.password);
// Get the Device Model
string resp = await _restfulAPIHelper.callDeviceAPIService("GET", _hwProductKey.email, null);
_deviceModels = DeviceModels.CreateDeviceModels(resp);
verifyAndAppendIoTHubAuthCertificatePath(_deviceModels, _certificatePath);
// Get the Message Schema of Device
resp = await _restfulAPIHelper.getDeviceMessageSchemaAPIService(_hwProductKey.email);
_messageCatalogSchemaList = MessageCatalogSchema.CreateMessageCatalogSchemaList(resp);
_deviceClient = getAzureIoTDeviceSDKClient(_deviceModels);
// Get SfTwin Properties Helper
_sfTwinPropertiesHelper = new SfTwinPropertiesHelper(_deviceClient);
// Sync System Config of Twin
await _sfTwinPropertiesHelper.SyncAndUpdateSfTwinPropertiesFromTwin();
}