A ProjectPlanData contain one ProjectActualData . The ProjectActualData contains the ProjectPhaseActualData , ProjectInterruption and UnestimatedEffort some project relevant information like fluctuation , endDate and etc. (see in the following picture).
The attribute hasDetail indicates whether the detailed ProjectActualData exist. If this attribute is set false , you can record Project Actual Data for entirety project without any ProjectPhaseActualData (see in the following chapter).
ProjectActualData also contains ProjectInterruption and UnestimatedEffort (see in the following chapter).
Project Actual Data