Using a real SOAP webb service with wsdl

Is there a possibility in app inventor to call functions og a soap web service which are defined in a wsdl. I only saw in tthe example url calls?

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Yes, with Eclipse or Android Studio but not within App Inventor.  AI is an entry level Android compiler; you need a professional compiler with all their bells, whistles, tool kits and libraries.

WSDL is in XML format, so the only way to communicate would be using the AI2 Web component   which can read but not write.

any XMLTextDecode(text XmlText)

Decodes the given XML string to produce a list structure. See the App Inventor documentation on "Other topics, notes, and details" for information.

The explanation here Working with XML and Web Services  shows that you can read but perhaps not write.

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you also can send XML format using the web component, but you will have to put it together manually

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