The display region name within which to display the reference content. If this is not specified, the reference content will display via a popup window on demand. See RegionNames for a description of the various regions that are available.
No
buttonText
string
The text to use in the button used to display reference content via a popup window. This is ignored if name is specified.
No (defaults to Reference)
layout
string
The layout method to use for content within this region: Tabbed or Tiled
Specifies a reference content type to display in this region. There can be any number of these elements. The order of the items determines the order in which the content is laid out in the region.