Natural language names
Event Trigger Type Enum
Change log
Semantic definitions at the type
Type definition

The IfcEventTriggerTypeEnum defines the range of different types of event trigger that can be specified. The definition of event trigger types has been adopted from the Business Process Modeling Notation (BPMN), which is also used in the Information Delivery Manual (IDM) for defining business processes. More detailed information about the use of event trigger types can be found in these specifications.

HISTORY  New type in IFC4
Enumeration definition
EVENTRULEAn event trigger that is a rule or constraint.
EVENTMESSAGEAn event trigger that is a message or set of information.
EVENTTIMEAn event trigger that is at, or occurs after, a particular point in or period of time.
EVENTCOMPLEXAn event trigger that is a complex combination of things.
Formal representations
XML Specification
 <xs:simpleType name="IfcEventTriggerTypeEnum">
  <xs:restriction base="xs:string">
   <xs:enumeration value="eventrule"/>
   <xs:enumeration value="eventmessage"/>
   <xs:enumeration value="eventtime"/>
   <xs:enumeration value="eventcomplex"/>
   <xs:enumeration value="userdefined"/>
   <xs:enumeration value="notdefined"/>
EXPRESS Specification
TYPE IfcEventTriggerTypeEnum = ENUMERATION OF (

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcEvent IfcEventType

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