In 2007, I had made a mockup video suggesting to capture fields of an M3 panel for reuse where needed, e.g. in an M3 search engine. My idea came from a suggestion by Daniel Rasmussen in the days of Movex Workplace in 2003 to right-click and M3 program and convert it to IBrix (unfortunately that idea was never implemented). Soon thereafter, the product development team implemented Capture Mode in Smart Office Mashup Designer (likely a timely coincidence unrelated to either suggestion above).
Mashup Designer Capture Mode: