Can someone show me a simple example of how to get data from web service on Magic software
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Assume that I have WSDL file and the function I need called "getData()"
Well, it's been awhile since you asked, and hopefully you found an answer by now. But, I have not perused this site before. Anyway, the manual that comes with Magic XPA has a manual, called "Mastering Magic". In Chapter 34 is a step-by-step "how to" for consuming web services.
We (some of the users) also have meetings weekly and you are welcome to join us, to get live walkthroughs for debugging details:
http://unipaasusers.blogspot.com/p/meeting-schedule.html
By and large, web services are very easy in Magic. Being able to automatically define XML files or XML BLOBS as data sources saves a lot of time. The problems tend to occur when there are syntax issues with the XML, which can be "fun"!