| MediaSource Properties | 
The MediaSource type exposes the following members.
| Name | Description | |
|---|---|---|
| AttachmentGuid | 
            GUID of the selected attachment.
              | |
| AttachmentID | 
            Attachment ID.
              | |
| DocumentID | 
            CMS file document id.
              | |
| Extension | 
            File extension.
              | |
| FileName | 
            File name.
              | |
| FileSize | 
            File size in bytes.
              | |
| HistoryID | 
            Version history ID of the document.
              | |
| MediaFileGuid | 
            GUID of the selected media file.
              | |
| MediaFileID | 
            Media file id.
              | |
| MediaFileLibraryGroupID | 
            Media file library group ID.
              | |
| MediaFileLibraryID | 
            Media file library ID.
              | |
| MediaFilePath | 
            Media file path.
              | |
| MediaHeight | 
            Image height.
              | |
| MediaType | 
            Type of media.
              | |
| MediaWidth | 
            Image width.
              | |
| MetaFileGuid | 
            GUID of the selected metafile.
              | |
| MetaFileID | 
            Metafile ID.
              | |
| NodeAliasPath | 
            CMS file alias path.
              | |
| NodeGuid | 
            GUID of the selected node.
              | |
| NodeID | 
            Node ID.
              | |
| SiteID | 
            Site ID.
              | |
| SourceType | 
            Type of media source.
              |