[Name] hints [Required] false [Type] ECMAScript Expression [Default Value] none [Description] The ECMAScript object returned contains information which may be used by the implementing platform for implementing the dialog operation. Note: The meaning of these hints is specific to the implementing platform and protocol. Platforms that do not support hints MAY ignore this attribute. See Section 9.5.6 for additional requirements when hints are supported by the implementing platform. [Valid Values] 
An ECMAScript expression that returns an ECMAScript object