durationExpression property
The duration of the timer, in seconds. You can use a string expression that
includes numbers, variables ($variable.<variable-name>),
and input values
($input.<input-name>.<path-to-datum>) as the
duration. The range of the duration is 1-31622400 seconds. To ensure
accuracy, the minimum duration is 60 seconds. The evaluated result of the
duration is rounded down to the nearest whole number.
Implementation
final String? durationExpression;