You can add documents, spreadsheets, and other files directly to an event so that your guests have all the information they need right from the event.
a. Anyone with the link: Can View, Can Edit or Can Comment i. This option does not require a Google Account ii. This is the least secure way of sharing a file
b. Guests of this event: Can View, Can Edit or Can Comment i. This option does require a Google Account ii. Only guests can access the file, which is more secure
8. Click Share and save to grant share permissions to the meeting guests and send the meeting invite