script to remove multiple messages Linkedin

Unfortunately i have so many messages in Linkedin, so i need to delete them all in multiple way, but Linkedin allow one by one.

i searched there's a way in Internet, but all of them fail with me on MacOs Google Chrome.

https://www.basvanbeek.nl/miscellaneous/how-to-delete-all-linkedin-messages-at-once/

https://www.linkedin.com/pulse/how-delete-multiple-linkedin-messages-hack-peter-abilla/

https://www.linkedin.com/pulse/how-delete-multiple-messages-from-your-linkedin-inbox-ted-wodoslawsky/

Unfortunately all of them FAIL!!!

Can anyone edit or provide excitable running code please!

Sorry i don't understand in these things much, but i do Mathematica much, and Java little.