How to create an ics-File?

Question

I want to make a app which can create a new event and send it to other persons. So I thought it might be possible to create an ics-File of an EKEvent and send it away via em

Answer 1

Late answer:

The file format is defined here: http://www.ietf.org/rfc/rfc2445.txt Since this is the official definition, it is a long document.