How to use [time.format]

The reference page of time.format has its arguments, constraints and declaration.

This slot formats a time span as a string, using the same format patterns as TimeSpan.ToString in C#, and is invoked with the time span as its value. It requires the following argument.

• [format] - Format pattern to use. This argument is mandatory, and the slot throws an exception if it is missing.

The time span is typically a value returned from [time], and the result of the slot is the formatted string.