# Data Object - VirtualPrecisionClockSystemClockBackingOption(vim.vm.device.VirtualPrecisionClockOption.SystemClockBackingOption)

Extends
  VirtualDeviceBackingOption
See also
  ChoiceOption
Since
  vSphere API 7.0

## Data Object Description

This data object type describes the options for the VirtualPrecisionClockSystemClockBackingInfo VirtualPrecisionClockSystemClockBackingInfo} data object type.

Properties

Name | Type | Description
--- | --- | ---
protocol | ChoiceOption | Parameter indicating the protocol used to discipline the host system clock.
Properties inherited from VirtualDeviceBackingOption
type
Properties inherited from DynamicData
None

Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="VirtualPrecisionClockSystemClockBackingOption"> <complexContent> <extension base="vsan:VirtualDeviceBackingOption"> <sequence> <element name="protocol" type="vsan:ChoiceOption"/> </sequence> </extension> </complexContent> </complexType>