|Item||SPF||XML||Change||Description||IFC2x3 to IFC4|
|IfcTimeStamp||MOVED||Schema changed from IFCMEASURERESOURCE to IFCDATETIMERESOURCE. |
IfcTimeStamp is an indication of date and time by measuring the number of seconds which have elapsed since 1 January 1970, 00:00:00 UTC.
NOTE Defined in IEEE Std 1003.1.
HISTORY New type in IFC1.5.1.
TYPE IfcTimeStamp = INTEGER;