code: def firmware_checksum(self, firmware_checksum):
          
          if firmware_checksum is not None and len(firmware_checksum) > 64:
              raise ValueError("Invalid value for `firmware_checksum`, length must be less than or equal to `64`")
  
          self._firmware_checksum = firmware_checksum
docs: Sets the firmware_checksum of this DeviceDataPostRequest.
          The SHA256 checksum of the current firmware image.
  
          :param firmware_checksum: The firmware_checksum of this DeviceDataPostRequest.
          :type: str