Not available on the iLive yet! Perhaps in version 1.9 when it comes out - I hope! You can however drag and drop channel strips using Editor so that is most likely what has been referred to.
Cheers
Richard Howey
Audio Dynamite Ltd
IDR48/IDR16/T112/R72/Mixpad,Tweak,
Dual M-Dante/DVS, 17"MBP/Logic 9/Custom Mackie Control