There are some easy to make mistakes to make when mapping messages with optional elements in OIC Integrations. This article describes how optional elements are being handled, and a way to make this work the way you want.
OIC Integration handles optional elements the same for both XML as well as JSON based elements, including mapping from XML to JSON and vise verse. The reason being that internally OIC will map JSON to XML. The examples hereafter therefore are based on XML. I will discuss the examples on the following XSD that is used in an integration that maps all elements 1:1 and echoes the result back. Read the complete article here.
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