text: # coding=utf-8
  # --------------------------------------------------------------------------
  # Copyright (c) Microsoft Corporation. All rights reserved.
  # Licensed under the MIT License. See License.txt in the project root for
  # license information.
  #
  # Code generated by Microsoft (R) AutoRest Code Generator.
  # Changes may cause incorrect behavior and will be lost if the code is
  # regenerated.
  # --------------------------------------------------------------------------
  
  from msrest.serialization import Model
  
  
  class DeviceTelemetryEventProperties(Model):
      """Schema of the Data property of an EventGridEvent for a device telemetry
      event (DeviceTelemetry).
  
      :param body: The content of the message from the device.
      :type body: object
      :param properties: Application properties are user-defined strings that
       can be added to the message. These fields are optional.
      :type properties: dict[str, str]
      :param system_properties: System properties help identify contents and
       source of the messages.
      :type system_properties: dict[str, str]
      """
  
      _attribute_map = {
          'body': {'key': 'body', 'type': 'object'},
          'properties': {'key': 'properties', 'type': '{str}'},
          'system_properties': {'key': 'systemProperties', 'type': '{str}'},
      }
  
      def __init__(self, *, body=None, properties=None, system_properties=None, **kwargs) -> None:
          super(DeviceTelemetryEventProperties, self).__init__(**kwargs)
          self.body = body
          self.properties = properties
          self.system_properties = system_properties
  