Data & safety rules
Save your app’s data and choose who can read and write each kind. Data lives in collections. Each collection has one plain-English safety rule, set when the collection is created, and the server enforces it. Your app never implements authorization.
In this section
Collections, filters and totals
Create collections, read and write records, filter, count and total.
Safety rules
The eight safety rules, your account and your app, rendering other people's content, and what the rules leave out.
Messages and links
Inboxes and messages between people, and links between records.
Files
Upload, sealed and public files, attachments in a group chat, and what happens if.
Publishing and open fields
Drafts, posts that wait for approval, and fields readers can change.
Plan locks and live collections
Collections unlocked by a plan, and how fields change once a collection is live.
What happens if…
Records, filters, limits and deletes: each case, what Gemmein does and what you do.
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