The components of this parameter are defined in Table 198.
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. |