Defines a class used to pass parameter information to create a SOAP envelope.
Inherits from NSObject*
The name of the parameter,
@property (nonatomic, retain) NSString* name
The value of the parameter.
@property (nonatomic, retain) id value
Determines if the parameter value is null. (Read Only)
@property (readonly) BOOL null
The serialized XML of the parameter.
@property (nonatomic, retain, readonly) NSString* xml
Initializes the parameter with the specified name and value.
-(id)initWithValue:(id)value forName: (NSString*) name