durationExpression

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.