ReadEventDetails 
The fields of the ReadEventDetails DataType are defined in the following table:
| Name | Type |
|---|---|
| ReadEventDetails | Structure |
| numValuesPerNode | Counter |
| startTime | UtcTime |
| endTime | UtcTime |
| filter | EventFilter |
The representation of the ReadEventDetails DataType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | i=644 |
| NamespaceUri | http://opcfoundation.org/UA/ |
| BrowseName | ReadEventDetails |
| IsAbstract | False |
| SubtypeOf | HistoryReadDetails |
| Categories |