Michael,
The Flex SDK can do what you want, but the default behavior is for it to unwrap collections and enclosing types which only contain one item. This default was not a good idea, IMO. Have you tried setting Operation.forcePartArrays true? http://livedocs.adobe.com/flex/3/langref/mx/rpc/soap/Operation.html#forcePartArrays You will need to obtain the mx.rpc.soap.Operation from the WebService first. You can alter the default behavior by writing a custom deserializer (which is a non-trivial task, made more difficult by the ASDoc being turned off.) For more information about Flex WebService, see my slide show and YouTube video at http://www.slideshare.net/mslinn/using-flex-with-enterprise-web-services Mike > I'm using Flex 4 and I set the returntype for the webservice to return an > array > of Cars - Cars[]. If the web service returns more than 1, it successfully > deserialized the data and returns an array of Car objects. BUT, if only one > is > returned, it returns an ObjectProxy, obviously because it cannot convert it > to > an array.