The channel × slot × key address, with the KEY's member name given by the caller: the same
shape spells a control port (symbol) and an lv2:Parameter (property), and naming the
member keeps them different addresses — a symbol id never resolves a property instance.
The
channel × slot × keyaddress, with the KEY's member name given by the caller: the same shape spells a control port (symbol) and anlv2:Parameter(property), and naming the member keeps them different addresses — asymbolid never resolves a property instance.