Activity Code DTO v10 Provides information about activity code supporting activity code hierarchies. Field Name Type Category Constraint Reference Description code String Optional length >= 1 & length <= 512 System code of this object, normally this correlates to the erp id given by the source system. description String Optional length >= 1 & length <= 2147483647 Description of the object. items Set<Identifier> Optional Item : 17, 18, 19, 20, 21 A set of items linked to the given activity code. level Integer Required Activity code level. parentActivityCode Identifier Optional ActivityCode : 10, 11, 12 Link to the parent activity code in case of hierarchical code structure. value String Optional length >= 1 & length <= 512 Activity code value.