How to get the Revit elements GUID and IFC_GUID using Dynamo

[Yna_Db]

Hello, I think IFC_GUIDs are simply instance parameters. For Revit IDs, you can see what’s in this thread:

Excel to rooms by ID

The elements IDs can change but the GUIDs are stable. There is a node called Revit ID in the Hot Gear package that will give you these GUIDs. For more explanation, please see on Revit forums: http://forums.autodesk.com/t5/revit-api-forum/unique-id-vs-elementid-which-identifier-to-stored-in-the/td-p/4962636 And also, Id to Element from Archi-lab Grimshaw accepts GUIDs