do we need to implement the AddInId (like m_appId in this [example](http://revitapisearch.com/html/4cdaf502-fc25-8f18-7618-8448cce33d11.htm)) ? where does Revit store GetAdditionalInformation ?
do we need to implement the AddInId (like m_appId in this example) ?
where does Revit store GetAdditionalInformation ?