QueryFirstRequest 
The fields of the QueryFirstRequest DataType are defined in the following table:
| Name | Type |
|---|---|
| QueryFirstRequest | Structure |
| requestHeader | RequestHeader |
| view | ViewDescription |
| nodeTypes | NodeTypeDescription[] |
| filter | ContentFilter |
| maxDataSetsToReturn | Counter |
| maxReferencesToReturn | Counter |
The representation of the QueryFirstRequest DataType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | i=613 |
| NamespaceUri | http://opcfoundation.org/UA/ |
| BrowseName | QueryFirstRequest |
| IsAbstract | False |
| SubtypeOf | Structure |
| Categories |