Click on your name, then on Settings:
Click on Messaging → Connect
Then, click on “Cookies” and fill in the requested information.
Suivez les étapes pour trouver vos cookies LinkedIn (non disponible sur mobile) :
Follow these steps to find your LinkedIn cookies (not available on mobile):
Open LinkedIn in a new tab (or click here: LinkedIn) and log into your account.
Open your browser’s developer console (F12 for Chrome and Firefox, Option + Command + I for Safari), then go to the “Application” or “Storage” tab.
Open the Cookies folder and select the one titled "https://www.linkedin.com".
Copy the value of "li_at" and paste it into the field below, then click the login button.
If you have a LinkedIn Recruiter account, copy the value of "li_a" (not shown in this screenshot, but listed in the same table).
