| what = Descriptive title of the event
| when = Date and time, e.g. 2017-06-15 14:30 UTC+8:00
| end = Date and time, e.g. 2017-06-15 16:30 UTC+8:00
| location = Location of the event
| who = Responsible organisation or person
| url = External URL if applicable (defaults to current page)
| summary = General description paragraph
The end parameter is optional.
If no url is given, it defaults to the canonical URL of the page on which the template appears.
Events in the future will be added to Category:Future events and displayed with a yellow star in their box's header.