@mruno You can just use the menu option to Use bot from ID.
First right click the channel you want to add your bot to and select "Use bot from ID"
Next enter your Pandora's bot Name. This will be the name your bot is known as on the Pandora's site.
Finally add your bots Pandora's botid which can usually be found in your browsers address bar when you are on the your bots Pandoras page. It will be the alpha-numeric string after -- botid=