# Data Object - VsanUpgradeSystemUpgradeHistoryItem

Property of
  VsanUpgradeSystemUpgradeStatus
Extended by
  VsanUpgradeSystemUpgradeHistoryDiskGroupOp, VsanUpgradeSystemUpgradeHistoryPreflightFail
Extends
  DynamicData
See also
  HostSystem, Task
Since
  vSphere API 6.0

## Data Object Description

Properties

Name | Type | Description
--- | --- | ---
host* | ManagedObjectReference to a HostSystem |
message | xsd:string |
task* | ManagedObjectReference to a Task |
timestamp | xsd:dateTime |
Properties inherited from DynamicData
None

*Need not be set