You can send a quick meeting invite to your colleagues, or respond directly to your friend's email with an invitation.
Click "Compose Mail" to create a new message.
You can also click Reply or Forward in response to an existing email.
All recipients in the "To:", "CC:", or "BCC:"will be added as invitees to the event.
Fill in the event details in the "Invitation window" that appears and click "Insert Invitation".
You can add other content to the email message before sending.