The system is designed for "one agent per account". You can however combine your information with your partner or reflect a team. For instance adding your name in the first name field and your partner's in the last name field or just type in a team name:
You may also alternate phone numbers in the 3 available fields and add a group photo of your team.
There is only space for one email however you have options to use a team shared email if you have one or your email provider likely offers the ability to auto forward emails to your other teammates.