Chapter 12 · Subscriptions, Bulk Data, MDM · Beat 1 — Three features, one chapter
So far the server answered when we asked. Now it acts on its own — at population scale.
Three features sit together this chapter. Subscriptions, so the server pushes you a notification when something changes. Bulk Data export, so you pull a whole population out asynchronously. And MDM — master data management — the golden record that decides two patient files are really one person.
What you will be able to do
Subscriptions — criteria push + rest-hook vs message channel
Bulk $export — async NDJSON at system, group, patient scope
MDM — golden record, EID anchor, match scoring
And one trap
One of these will silently drop your events in production — we name it
