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<Learning Flex - Lesson 17, Working with Web Services ⁄ >




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Flex applications can use web services that are defined by a WSDL (web Service Description Language) an XML based standard that defines available operations and possibly data types used by the operations.

Flex supports web service requests and responses that are formatted as SOAP (Simple Object Access Protocol) documents which are XML based.

There are two main ways to access web services in Flex, using tags or ActionScript.

Using the tag, the wsdl property specifies the URL to find the wsdl file at. Flex will load this file to find out the available operations. Once the wsdl file is loaded successfully, the WebService broadcasts a load event. You may also define a fault and result event handler for all interactions with the server.



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