This is sample application for sending meeting invite and to keep reminder of an event
Sample input to the code is
{"To":["[email protected]", "[email protected]"],"subject":"Party reminder","location":"Koramangala 5th Block, Bangalore","description":"Hangout","meetingStartDate":"20150512T083000Z","meetingEndDate":"20150512T093000Z"}
This works for Gmail, Outlook, iCal