5.3.2.4 IfcSequenceEnum

5.3.2.4.1 Semantic definition

IfcSequenceEnum is an enumeration that defines the different ways in which a time lag is applied to a sequence between two processes.

Type	Description
`FINISH_FINISH`	The predecessor task must finish before the successor task may finish.
`FINISH_START`	The predecessor task must finish before the successor task may start.
`START_FINISH`	The predecessor task must start before the successor task may finish.
`START_START`	The predecessor task must start before the successor task may start.
`USERDEFINED`	User defined.
`NOTDEFINED`	Undefined.

Table 5.3.2.4.A

TYPE IfcSequenceEnum = ENUMERATION OF
	(FINISH_FINISH
	,FINISH_START
	,START_FINISH
	,START_START
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;