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7.45 ViewDescription

The components of this parameter are defined in Table 198.

Table 198 – ViewDescription

Name

Type

Description

ViewDescription

structure

Specifies a View.

viewId

NodeId

NodeId of the View to Query. A null value indicates the entire AddressSpace.

timestamp

UtcTime

The time date desired. The corresponding version is the one with the closest previous creation timestamp. Either the Timestamp or the viewVersion parameter may be set by a Client, but not both. If ViewVersion is set this parameter shall be null.

viewVersion

UInt32

The version number for the View desired. When Nodes are added to or removed from a View, the value of a View’s ViewVersion Property is updated. Either the Timestamp or the viewVersion parameter may be set by a Client, but not both. The ViewVersion Property is defined in OPC 10000-3. If timestamp is set this parameter shall be 0. The current view is used if timestamp is null and viewVersion is 0.

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