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How to define a Repeating Global Variable by Jorge Herreria

Juergen Kress
PaaS Partner Adoption



This blog addresses the following use case:  "In my OIC Orchestration, when I define a Global variable based on a repeating element (aka unbounded), the global variable is not repeating; I cannot add/append to it"

The nutshell solution:

Choose the parent element when defining the global variable


Why the variable is not repeating?

Because of XML Rules: When a global variable is defined, internally it is defining a reference to a XML Document. Any XML Document must have a single instance root element; in other words it cannot be a collection of root elements, even if they have the same element name.

How Do I Solve my requirement?

When defining the Variable, choose the parent element of the unbounded element (repeating). That way the  XML Document root element will be the parent element, and one of its children will be the unbounded element

To reference the variable use the location path (xpath) to the unbounded element.


Defining vErrors with the intent to use errorDetails repeating element. Read the complete article here.

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