Insert an entry into the specified calendar.
In / For: the number of minutes (integer, not decimal) from now at which the calendar entry should start. Optionally, For how many minutes the calendar entry should last.
The default for In / For is 0 / 0.
Available: if not clicked, the calendar entry is marked as 'Busy' (see Menu / Show Extra Options in the Calendar app).
Tip: if you want to use variables with In / For, be sure to leave spaces otherwise the variables won't be recognized.