How to create a Google Calendar Event, on someone else's Google Calendar, from a Gmail Message?

Google Calendar allows you to create, add or modify any event from other person’s calendar if he/she has shared Google Calendar with you. Similarly they can make changes to your Google Calendar if you have shared it with them and allowed them to do so under the ‘Permission’ field.

But Google Calendar does not have a feature where you can add an event in someone else’s calendar through Gmail messages.