https://se.mathworks.com/help/lidar/ref/lidar.syncimageviewer.syncimageviewer.close.html
lidar.syncImageViewer.SyncImageViewer.close - Close external tool connected to Lidar Labeler app -...
This MATLAB function provides the option to close the external tool that is connected to the Lidar Labeler app when the app closes.
lidarcloseexternaltoolconnected