OptionalcontentThe ESRI Content instance to be extended.
OptionalfailureOptionalidThe unique ID to assign to the entity. If not specified, one will be generated.
OptionalsummaryNames of fields that will be hidden when displayed in the a summary view. This property is only applied to "fields" Content types.
OptionalvisibleWhether the Content is visible when being displayed in a summary view.
Properties that can be passed into the constructor for PopupContentExtension.