After you've set your Webex site, you can schedule a Webex meeting from an email in Gmail. You can meet instantly with the email recipients to discuss the content of an email.
In Gmail, select an email and select Cisco Webex in the side panel.
Select Start an instant meeting.
Select the meeting topic to change it.
Invite participants. By default, the email addresses in the "To" and "From" fields in the email are invited to the meeting. To invite other participants, select under Invite more particpants and enter their email addresses.
Select Start Meeting.