Legato means smooth transition between two notes. yes it can be generaly in music applied on chords but not in iconica. And its logical, because there is decision about pairing notes from 1st to 2nd chord ( generally between notes which are not in same time). Belive me or not, but You dont want to make this decision by plugin. Why? Because if You play chord harmonic way, still some notes will have different start positions. This means that they are melodic not harmonic. And then when You are changing chord its the same, how sw shall understand which note from 1st chord shall make legato with which from 2nd chord. “WORKAROUND” If You nead legato on harmonic content, You have to create Midi events separate for each voice in chord and each voice has to drive different legato plugin instance. I didnt know better way how to do it.