Shift+Ctrl+Alt and hold Left click on mouse to draw/paint chord.
Only creates major chords so the third needs to be altered – to make a minor chord select the 2nd note in the sequence and drag is down one block/semitone.
If we want to create a chord progression with the right chords but are not familiar with chord spellings then we can use key snap to help.
We can also use grid settings to help with length of notes.