I figured this out - there is a ClearDigitization function within the MapGuideViewerApi.js which works a treat :) ----- Software-Matters -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Fusion-and-Digitizing-tp4183831p5077688.html Sent from the MapGuide Users mailing list archive at Nabble.com.