Keyword. Must be enclosed in brackets. Use one of the following keywords:
[CalendarViewFormat]
Returns the number of days displayed: 1, 2, 5, 7, and so on. Applies to calendar views only.
[ColumnValue]
Returns the value of a column for the current row. Requires the second parameter.
[IsCalViewTimeSlotOn]
Returns @True if time slots are displayed, @False otherwise. Applies to calendar views only.