param

<param>

 It is used to pass arguments to a subdialog or object. 

 Attributes:

name

Name associated with the parameter when the object or subdialog is invoked.

type

It specifies the MIME type if “valuetype” is a reference.

expr

An ECMAScript expression for the initial value of the variable

value

It is the value associated with the parameter.

valuetype

It can have two values namely data (default) and ref. It indicates whether the value associated with the “name” is a data or a ref      

parent

object, subdialog

children

None.