What is the syntax for macro that performs a function on pressing key, and another on release?

I see no way of doing what I’m trying to do in the GUI.  I need a macro on my Naga V2 pro that scopes in (right click) then holds until I release the key, then fires and scopes back out. How can I do this?!

I’m coming from logitech G604 which ‘G BUG’, logitech’s collection of bugs meant to frustrate the most patient saints while failing to work 85% of the time, has a ‘sequence’ macro template that allows separate functions for pressed/while-holding/on-release. I must find a way to replicate this that will work with onboard memory.