The command Flow is only on the Beta V3 for PC or normal V 2.5 for Mac or Beta V3 for MAC

Here 3 little videos video about It (sorry in French but very visual :)
http://moiscript.weebly.com/enrobage-dobjet-v3.html
http://moiscript.weebly.com/enrobage-dun-tore-v3.html
http://moiscript.weebly.com/bonus.html