From your dashboard, click on "Configure", and on the "Configure" button of the "Live chat" section.
Select lemtalk option
In the Service dropdown menu select the option "lemtalk"
Find your lemtalk parameter
Add lemtalk on your Slack or login with Slack to your previously created account: app.lemtalk.com
Copy the application ID and paste it in the RoleUp lemtalk form.
Activate lemtalk widget
Click on the button "Activate Lemtalk" to activate the lemtalk widget on your job board.
If you visit your job board, you can test the widget appearing.