Blog Posts BPMN DMN

DMN: What’s a Hit Policy?

Blog: Method & Style (Bruce Silver)

Newcomers to the Decision Model and Notation (DMN) standard may be put off by the notion of a decision table’s “hit policy.” What the heck is that? It sounds technical. Add to that the idea that the modeler is supposed to select the “best” one. Too complicated! Well, it’s actually not. Here is what’s going on. Each row in a decision table is a rule. The columns represent inputs and, at the end, one (or occasionally more than one) output.

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