---
name: sync
description: Build, debug, or review Notion App database syncs with stable keys and resumable pagination.
user-invocable: false
---

# App database syncs

Before creating, modifying, or troubleshooting sync code, read
`node_modules/@notionhq/apps/skills/sync/SKILL.md`.
Resolve this path relative to the App project root.
Follow the instructions in that file.

If the file is missing, install the project dependencies.
If it remains missing, update `@notionhq/apps` to a release that includes the skill.
Do not continue with sync changes until you can read the SDK skill.