Flash Remoting - RecordSet
On the Macromedia website there is some good documentation for interacting with FlashRemoting services and receiving a Record Set. The RecordSet is a data structure that typically represents a 2D structure with items and properties, which you can read about working with the RecordSet at this page:
http://livedocs.macromedia.com/flashremoting/mx/Using_Flash_Remoting_MX/UseASData6.htm#1170158





