From Traditional Integration to Composition – Enterprise Business Services - Applied SOA Patterns on the Oracle Platform - page 269

The reason is clear—if a controller is agnostic, then these values will depend on the nature
of the business process and the nature of the services we will dynamically invoke. We
shall pass these parameters in EP, as shown in the following code, and create an additional
loop for retries within the task loop, with the counter set in the Assign operation. This is
demonstrated in the preceding screenshot.
<con:stage name="Iterate">
<con:context>
<con1:varNsDecl
namespace="urn:com:telco:ctu:la:ctumessage:v01"
prefix="urn"/>
<con1:varNsDecl
namespace="urn:com:telco:ctu:la:processheader:v01"