5.2.2.1 IfcPerformanceHistoryTypeEnum
5.2.2.1.1 Semantic definition
This enumeration is used to identify the primary purpose of performance history.
5.2.2.1.2 Type values
5.2.2.1.3 Formal representation
TYPE IfcPerformanceHistoryTypeEnum = ENUMERATION OF
(USERDEFINED
,NOTDEFINED);
END_TYPE;