A text value is required. The text value represents time in minutes. The default value is 30 minutes. Six minutes is the minimum interval and one day (1440 minutes) is the maximum interval for this element.
This value is used only if the RequestedView element is equal to MergedOnly, FreeBusyMerged, or DetailedMerge. This is an integer data type. The stream that contains the intervals defined by this element is returned in the MergedFreeBusy element.