After clicking on the above-mentioned button, it will ask you to insert meeting details –
Title: Insert your meeting title
Host: Host is static set by the marketplace owner
Meeting Type: Select your meeting type
Start Time: You have to insert a time/date to start a meeting
Time Zone: Set your meeting time zone on this option
Duration: You can pick a duration for the meeting.
These are the main fields that are required to insert and then there are more options like Password for the meeting, If you want to force the camera of the user or not etc.