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Yehuda Shiran November 9, 2001
The WSDL's message Element
Tips: November 2001

Yehuda Shiran, Ph.D.
Doc JavaScript

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The message element describes the data being exchanged between the Web service providers and consumers. Each Web method has two messages: input and output. The input describes the parameters for the Web method; the output describes the return data from the Web method. Each message contains zero or more <part> parameters, one for each parameter of the Web method. Each parameter associates with a concrete type defined in the <types> container element. In the Temperature - Weather Web service, the input parameter is a string-typed zip code. Here is how the <message> element is defined:

<message name="getTempRequest">
  <part name="zipcode" type="xsd:string"/> 
</message>
You can call Web services from JavaScript. In upcoming tips and columns we'll cover the motivation and the implementation of Web services, and how to use them from JavaScript.


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