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Use these references when you wire Flows into your React app or build tooling.

Auth API

connectToHostApp and authenticated CDF access.

Host App API

Navigation, state, sidebar visibility, fullscreen, and agent integration.

Vite plugin API

fusionOpenPlugin and CDF development URLs.

Content Security Policy

Production CSP baseline and how to extend it via manifest.json.

OAuth relay

Additional Microsoft Entra ID sign-in from within a Flows custom app.
Last modified on September 2, 2026