In the toolbar, click on the "Documentation" tool. After displaying the right information panel, it is necessary to select "New Import" in the "Import" tab and fill in the mandatory data (Import name, File format: VGI, DGN, DWG, DXF, DWF, GML, KML, KMZ, GeoJSON, WKT, SHZ, SHP, Technology profile for VGI files and Projection). Then attach the selected file and click on the "IMPORT" button.
In this way it is possible to display in the map, for example, planned investments, cycling routes, technical infrastructure networks or map documents from your own documentation.