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The Branching describes a branching transition from a source (start) structural element to two or more target structural elements. When source and target are the same structural element, this represents a loop or repetition of the structural element. As such, the Branching element must also be used to represent "repeat until" activities.
In order to become active in a workflow, the OID of the Branching must be referenced by the SourceOID attribute of a Transition element.
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