https://community.graphisoft.com/t5/Collaboration-with-other/IFC-scheme/m-p/267300#M34965 I don't think you can create such a custom IFC type. That IFC Schema is a standard so I think being able to create custom IFC types would make it non-standard. Also, when exporting such an IFC file no other program could interpret your custom IFC type since it is not in the IFC standard.<BR /> All you can create is custom IFC Properties but you have to create them somewhere within the existing IFC Type hierarchy.<BR /> <BR /> I think if you are delving deep into IFC, you should read everything there is about it in the ARCHICAD Help files:<BR /> <BR /> <A href="http://helpcenter.graphisoft.com/guides/archicad-19-int-reference-guide/interoperability-2/file-handling-and-exchange/working-with-ifc/" target="_blank"><LINK_TEXT text="http://helpcenter.graphisoft.com/guides ... -with-ifc/">http://helpcenter.graphisoft.com/guides/archicad-19-int-reference-guide/interoperability-2/file-handling-and-exchange/working-with-ifc/</LINK_TEXT></A> Mon, 14 Mar 2016 14:08:39 GMT Laszlo Nagy 2016-03-14T14:08:39Z https://community.graphisoft.com/t5/Collaboration-with-other/IFC-scheme/m-p/267299#M34964 <DIV class="actalk-migrated-content"><R>Hi!<BR /> I'm investigating on IFC matters and I think IFC has a lot of potentialities to express in documentation ...<BR /> I wait still some hint regarding the IFC rules ... <BR /> in the meantime I would like to create a new IFC type ... is it possible?<BR /> <BR /> I tried to edit the xml provided for standard ifc scheme ... but it seems not working ...<BR /> any idea?<BR /> <BR /> Gurus of IFC, please, give us a light ray! <IMG src="https://community.graphisoft.com/legacyfs/online/emojis/icon_idea.gif" style="display : inline;" /> <IMG src="https://community.graphisoft.com/legacyfs/online/emojis/icon_confused.gif" style="display : inline;" /></R></DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/72317i77558B8F76837119/image-size/large?v=v2&amp;px=999" border="0" alt="ifc scheme.jpg" title="ifc scheme.jpg" /> Sat, 12 Mar 2016 08:03:15 GMT https://community.graphisoft.com/t5/Collaboration-with-other/IFC-scheme/m-p/267299#M34964 alemanda 2016-03-12T08:03:15Z https://community.graphisoft.com/t5/Collaboration-with-other/IFC-scheme/m-p/267300#M34965 I don't think you can create such a custom IFC type. That IFC Schema is a standard so I think being able to create custom IFC types would make it non-standard. Also, when exporting such an IFC file no other program could interpret your custom IFC type since it is not in the IFC standard.<BR /> All you can create is custom IFC Properties but you have to create them somewhere within the existing IFC Type hierarchy.<BR /> <BR /> I think if you are delving deep into IFC, you should read everything there is about it in the ARCHICAD Help files:<BR /> <BR /> <A href="http://helpcenter.graphisoft.com/guides/archicad-19-int-reference-guide/interoperability-2/file-handling-and-exchange/working-with-ifc/" target="_blank"><LINK_TEXT text="http://helpcenter.graphisoft.com/guides ... -with-ifc/">http://helpcenter.graphisoft.com/guides/archicad-19-int-reference-guide/interoperability-2/file-handling-and-exchange/working-with-ifc/</LINK_TEXT></A> Mon, 14 Mar 2016 14:08:39 GMT https://community.graphisoft.com/t5/Collaboration-with-other/IFC-scheme/m-p/267300#M34965 Laszlo Nagy 2016-03-14T14:08:39Z https://community.graphisoft.com/t5/Collaboration-with-other/IFC-scheme/m-p/267301#M34966 Thank you for reply.<BR /> Yes ... creating new IFC type seems to be out of standard. Mon, 14 Mar 2016 14:25:55 GMT https://community.graphisoft.com/t5/Collaboration-with-other/IFC-scheme/m-p/267301#M34966 alemanda 2016-03-14T14:25:55Z