If this URL will actually be listed in the event description, you can use the description parser to generate the URL (see the [online docs - event manager - description parser] for more details).
For ev, use [eid], and since mo and yr are not available, use [date].
EPC Tutorials... We're here to help!
Offering custom integration services. Contact me here
* Not affiliated with EasyPHPCalendar or NashTech Inc.