A unique code (work breakdown structure) used to represent a task's position within the hierarchical structure of the project.
| Property | Value | 
|---|---|
| Data Type | String | 
| Minimum Occurrences | 0 | 
| Maximum Occurrences | 1 | 
| Default Value | N/A | 
| Abstract | False | 
| Nillable | False | 
| Element Constraints | N/A |