Yes, it is possible to both clip, and run point cloud tasks using an existing shapefile. Clipping, or filtering, may be accomplished using the Export Wizard found on the main LP360 toolbar. After selecting the desired points, using the Source Points filters, and the Export Format, in step 1, you can then select to “Cookie Cut by Polygons” in step 2 of the wizard. The same method may be used to clip derivative products, such as contours or DEM. If one wishes to run Point Cloud Tasks, for example to filter the LIDAR data using an existing shapefile, this can be done using either the Execute Active Point Cloud Task using a Feature Layer, or the Execute Attribute derived Point Cloud Task using a Feature Layer execution options found on the LP360 Point Cloud Tasks toolbar.