looking for non functional cookies javascript code (GA)

We have started to implement this plugin and want to include consent options, but I am not sure what code needs to be added from google analytics into the Script Blocking section on the options panel.

The outcome we are looking for, is that cookies default to be enabled/accepted unless the user clicks to refuse, in which case we would just want the script to block their cookies.

Any insight on how to achieve this would be appreciated.

thank you!