# Data Object - HostFeatureMask(vim.host.FeatureMask)

Property of
  ClusterEVCManagerEVCState, EVCMode, FeatureEVCMode, VirtualMachineRuntimeInfo
Parameter to
  ApplyEvcModeVM_Task
Extends
  DynamicData
Since
  vSphere API 5.1

## Data Object Description

A mask that is applied to a host feature capability.

Properties

Name | Type | Description
--- | --- | ---
featureName | xsd:string | Name of the feature Identical to the key.
key | xsd:string | Accessor name to the feature mask.
value | xsd:string | Opaque value to change the host feature capability to. Masking operation is contained in the value.
Properties inherited from DynamicData
None

Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="HostFeatureMask"> <complexContent> <extension base="vsan:DynamicData"> <sequence> <element name="key" type="xsd:string"/> <element name="featureName" type="xsd:string"/> <element name="value" type="xsd:string"/> </sequence> </extension> </complexContent> </complexType>