Namespaces in E4X

ECMAScript for XML (E4X) extends JavaScript with support for XML-based data manipulation by introducing new XPath-like language features. Apache ODE/WSO2 BPS has an E4X Assign activity to ease Rich Data Manipulation in BPEL using E4X. To use namespaces in E4X queries, follow the syntax namespace::localName in place of a normal element specifier. Eg: To extract the hotelRequestId from the variable submitHotelReviewRequest which has a format similar to the following: You can use a js snippet as follows:
Related Links:
https://developer.mozilla.org/en-US/docs/E4X/Processing_XML_with_E4X
http://www.taval.de/publications/INPROC-2009-25/
http://stackoverflow.com/questions/922668/e4x-grab-nodes-with-namespaces