Hi,
Just create another .js script under Scripts, and start coding there. When the experiment is run, the files in Scripts are concatenated into a single .js file, in an alpha-numeric order, ie. the content of main.js will come after the content of abc.js, so place PennController.ResetPrefix(null) at the top of the first script file (or at the top of all script files would work too)
It doesn’t matter which file your Sequence command is in, it will see all the trials you create from all the .js files in Scripts
Jeremy