Can Tags Be Inserted In Event Messages?

Hello,

I like the Event reply feature that allows invitees to respond to an invitation. Seems the most efficient way to invite multiple people. However, I have a use case that may require an alternative method for notification. If anyone has a recommendation for the following I’d sure appreciate hearing from you. As of yet I’ve not been able to figure out how or if tags can be inserted here.

Problem
Coordinating multiple people to attend a required meeting at a specific location and time and including information and electronic materials relevant to the meeting.

Scenario
Designer decides one or more vendors will need to look at the project.