This article describes how to call an external Web Service from X++ in AX 2012 : https://docs.microsoft.com/en-us/dynamicsax-2012/appuser-itpro/walkthrough-calling-an-external-web-service-from-x
This article describes how to call an external Web Service from X++ in AX 2012 : https://docs.microsoft.com/en-us/dynamicsax-2012/appuser-itpro/walkthrough-calling-an-external-web-service-from-x