Working with complex structures

The first section of the chapter explained the different ways to work with simple fields. It's common, however, to have complex structures to work with. One of the most common situations is having to parse results from a web service or a rest call, which returns data in XML or JSON format. This section explains how to parse this kind of complex data.

Working with XML

XML stands for Extensible Markup Language. It is basically a language designed to describe data and it's broadly used not only to store data, but also to exchange data between heterogeneous systems over the internet. In this section, we will describe what an XML structure looks like and how to parse it with PDI.

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