Post #5354: 
MichaelColina:
there is not click mode yet in PME
There is a discussion regarding it where Pluglug provided workaround about it:
Pie Menu Editor 1.18.8 Released Scripts and Themes
I tried the Node Connect example. It’s a very practical use case and quite insightful. I haven’t fully explored the other examples yet, so my understanding isn’t complete, but let’s dive into hacking the Keymap registration process. That said, I haven’t tested for potential side effects, so I’ll refrain from providing this as a formal patch. However, this is a great opportunity to take a closer look at PME’s source code. I believe you’re already on “this side,” so let me offer some unsolicite…
MichaelColina:
you can also temporally use the click mode within the internal blender shortcut
It worked well in pre-B4.2 versions, but now it doesn’t. At least in my system
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