MacBook user: I can’t do LMB on my trackpad

I need to add a viewer node in the composition tab and for that you’d need to do CTRL+SHIFT+LMB and I literally can’t do it at all. I’ve tried fixing the secondary click in settings and nothing works. How do I fix this? Is there a way to manually add a viewer node? Like some sort of button? I’m a beginner so any help would be appreciated.

Thanks!