Defines the desired user interface is a radio button group. See https://developers.arcgis.com/web-map-specification/objects/formRadioButtonsInput/.
Optional
The text used to represent a null value.
Determines whether null value option is displayed. This only applies to fields that support null values. If not provided, the default value is false.
The input type identifier.
Defines the desired user interface is a radio button group. See https://developers.arcgis.com/web-map-specification/objects/formRadioButtonsInput/.