Fireflies work by integrating your Google or Outlook Calendar. All your upcoming meetings with a web-conferencing URL or dial-in number and pin will be available in your Fireflies Calendar
You will find your scheduled meetings for the day under Your Agenda. It allows you to see the meeting time, title and the Fireflies toggle button that allows you to easily invite Fred to your meeting.
A toggle button on the left means that Fireflies is not joining your meetings. A toggle button on the right indicates that Fred is joining your meetings.
The Fireflies Chrome Extension and What It Does
Outlook Calendar Add-in