Adds a new note to a group member. The person must already be in the group for this action to work.
Additional Details
The Caption and Note fields are Lava capable so you can include something like this:
This is the note field for {% assign p = Workflow | Attribute:'Person','Object'%}{{p.FullName}} in
the {% assign g = Workflow | Attribute:'Group','Object'%}{{g.Name}} group.
...to create some very dynamic notes.