...
The intervention type for ConfigFileSelection allows the users to specify config files by their name and version.
These can then be exported by the General adapter in order to be picked up by the adapter and the model.
ExportLocationAreaActivity
Exports an area selection mask in the form of a PiMapStack. This activity requires selectedLocationIds to be specified within the TaskProperties. This selection is then available to be used by the pre and post adapter.
description
Optional description for the activity. Used for reference purposes only.
...
Exports an area selection mask as a PiMapStack. This activity requires an embedded polygon to be specified within the areaSelectionShapeFileBase64 field of the TaskProperties. This file is then available to be used by the pre and post adapter. 
description
Optional description for the activity. Used for reference purposes only.
...
The General Adapter contains several import activities with an attribute called exportPlaceholdFile. When this kind of import activity is configured in the same workflow after the post adapter, this option will generate a file before the model adapter is started. This file contains the selection of locations in PI format that can be used in the pre-adapter or the model to determine which locations to include in the calculation.
exportPlaceholdFile
If <exportPlaceholderFile>true</exportPlaceholderFile>, then the General adapter will generate placeholder files. A placeholder file is a file with headers only, without timeseries. Its name is the same as filename configured for the ImportActivity and this placeholderfile is written to the import directory. The placeholder files are written before any execute activity is started. The models cq model adapters should read this placeholder files to see which data should be provided to import in FEWS.
...