Gets the total duration of the working time intervals between specified start and finish date and times (i.e. effort time for a task that starts and finishes on specified date and time, considering a single full time resource assignment), determined based on the working week and working day definitions, excluding the defined nonworking time intervals.

Gets the total duration of the working time intervals between specified start and finish date and times (i.e. effort time for a task that starts and finishes on specified date and time, considering a single full time resource assignment), determined based on the working week and working day definitions, excluding the defined nonworking time intervals.