# 5.3.2.6 IfcWorkCalendarTypeEnum

## 5.3.2.6.1 Semantic definition

An IfcWorkCalendarTypeEnum is an enumeration data type that specifies the types of work calendar from which the relevant control can be selected. If given it should help to identify base calendars.

## 5.3.2.6.3 Formal representation

TYPE IfcWorkCalendarTypeEnum = ENUMERATION OF
(FIRSTSHIFT
,SECONDSHIFT
,THIRDSHIFT
,USERDEFINED
,NOTDEFINED);
END_TYPE;