An Android Calendar entry with the specified parameters is currently active.
Any unspecified parameters are ignored i.e. any calendar entry will be matched.
The Calendar field is a pattern match, but the name of the calendar provider befoe the : (probably Google) is not e.g. Google:*@test.com is valid, G*gle:email@example.com is not.
See Also: action Misc / Test, variables %CALTITLE, %CALDESCR, %CALLOC