https://forums.autodesk.com/t5/revit-api-forum/quot-renderappearence-quot-property-of-a-material-element-in-the/m-p/2647121#M82356 http://discussion.autodesk.com/forums/thread.jspa?threadID=762488&amp;tstart=0<BR /> Check out this thread where I wrote a sample routine that allows you to use these objects. Basically you are looking at a custom data storage object, that can store many kinds of data.<BR /> jvj Thu, 11 Mar 2010 03:39:33 GMT Anonymous 2010-03-11T03:39:33Z https://forums.autodesk.com/t5/revit-api-forum/quot-renderappearence-quot-property-of-a-material-element-in-the/m-p/2647120#M82355 While investigating the "RenderAppearence" property of a Material element in the Revit API, I encountered AssetProperties of the type AssetPropertyReference. <BR /> <BR /> However, the docs don't explain what they mean or how to obtain further information from them. Could someone explain to me what an AssetPropertyReference is and how I can resolve it to a "more concrete" type that allows me to determine the information it is referring to? Thu, 11 Mar 2010 00:00:45 GMT https://forums.autodesk.com/t5/revit-api-forum/quot-renderappearence-quot-property-of-a-material-element-in-the/m-p/2647120#M82355 nryrevup 2010-03-11T00:00:45Z https://forums.autodesk.com/t5/revit-api-forum/quot-renderappearence-quot-property-of-a-material-element-in-the/m-p/2647121#M82356 http://discussion.autodesk.com/forums/thread.jspa?threadID=762488&amp;tstart=0<BR /> Check out this thread where I wrote a sample routine that allows you to use these objects. Basically you are looking at a custom data storage object, that can store many kinds of data.<BR /> jvj Thu, 11 Mar 2010 03:39:33 GMT https://forums.autodesk.com/t5/revit-api-forum/quot-renderappearence-quot-property-of-a-material-element-in-the/m-p/2647121#M82356 Anonymous 2010-03-11T03:39:33Z