OptionalauthorAuthor email. markup.xsd declares Author required with no default,
but it comes through undefined when the source markup.bcf omits it —
see BCFTopic.creationAuthor for why the reader never fabricates a
placeholder value ("Unknown") in its place.
Comment text
OptionaldateComment creation date (ISO 8601). markup.xsd declares this required
with no default, but it comes through undefined when the source
markup.bcf omits it — see BCFTopic.creationDate for why the reader
never fabricates a read-time wall-clock timestamp in its place.
Unique identifier
OptionalmodifiedModifier email
OptionalmodifiedModification date
OptionalviewpointReference to a viewpoint GUID
@ifc-lite/bcf - BIM Collaboration Format support
This package provides BCF (BIM Collaboration Format) support for IFC-Lite. It implements BCF 2.1 and 3.0 specifications for topic tracking in BIM projects.
See