From the team panel, select the team holding the meeting and click on "Meetings" in the side panel. Then click on "Schedule a meeting".
Name the meeting, add all attendees, and set the date and time. Optionally, you can set a location for your meeting, such as "Boardroom" or "Online".
Click on "Next - Meeting agenda". Here you can add a short description for the meeting, as well as any agenda items. Once you are done, click "Save & close".
The meeting will appear in the 'Upcoming Meetings' area on the team meeting page.
How to Schedule a Meeting (video)