You will have to ask the developer. Custom panels can have shortcuts, but the author needs to make provision for that in his code.
I'm Anastasiy, the leader of the project making MagicPicker and other panels for Adobe software. Recently I wrote a blog post how you can do it quickly and flawlessly:
If you have any questions please feel free to contact our tech support.
It seems for me when i try to download the script it gives a not found on this server error.
I can download it by typing the address in the browser:
1 person found this helpful
Sorry for that, fixed!
Please read the post I mentioned above on how to use the script.
Thanks! It works