Beta (Inputs.IFC)BetaOptionalmodel: TOptionalfileName: stringOptionaltimeStamp: stringBetamodelThe model whose entities the file holds.
Optional BetafileThe file name the header records.
Optional BetatimeWhen the file was written, as ISO 8601 such as 2026-10-06T12:00:00. Left out, the current
time; give one to write the same file every time.
A model to write for
model.write, with the file name and time its header records.