BacnetHistoryImport defines the archive action to retrieve data from a BACnet Trend Log object into a Niagara history created by the addition of this component. You add BacnetHistoryImports (import Trend Logs) using the Bacnet History Import Manager view of the parent BacnetHistoryDeviceExt. For more details, see BACnet Trend Log import notes and BacnetHistoryImport properties.