The quesiton of '_shadowLayers' in filter plugin

The ‘_shadowLayers’ always null in the method of - (void)process:(id)sender in filter plugin in G3.

Have you overwritten - (NSError *)setup?

And what superclass do you use?

I just create project use glyphs filter plugin Xctemplate, and print the ‘_shadowLayers’ , in the method of - (void)process:(id)sender,it always null.This template is more difficult to read than other templates I can only use printToMacro to debug data, so I want to be able to debug with Glyphsapp,Is there an sample of this template that can refer to?

Add a [super setup]; in the - (NSError *)setup

I’ve tried this out.,It‘s ok.Thanks!