One of the most misunderstood parts of the Pega Platform is pzPVStream . Newcomers often describe it as a "black box", while experienced architects sometimes see it as an obstacle for reporting and integration. Both opinions contain some truth, but neither tells the whole story.
Source: [Dev.to](https://dev.to/ognivo/understanding-pegas-pzpvstream-why-a-20-year-old-design-still-makes-sense-3kh1)