Facebook token retrieval & management

Pre-Conditions 1. A Facebook Developer account with an active app. 2. Basic understanding of n8n workflows. 3. Access to a database (optional, for storing tokens).

Setup 1. Webhook Activation: - Configure the Webhook to receive user requests and process input data. - Ensure the Webhook URL is correctly set in your Facebook App settings.

2. Short-Lived Token Retrieval: - Use Facebook OAuth to fetch a short-lived token from the authorization code.

3. Long-Lived Token Conversion: - Convert the short-lived token into a long-lived token (valid for ~60 days).

4. Page Token Retrieval: - Follow the provided instructions to retrieve Page Tokens for posting on managed Facebook Pages.

5. Customizable Scopes: - Edit the correctScopes array to include or exclude permissions as needed.

6. Optional Database Storage: - Extend the workflow to save tokens to a database instead of displaying them on-screen.

7. Step-by-Step Instructions: - Detailed guidance is provided via sticky notes for activating the app, configuring Webhook, and editing parameters like fbredirecturi, appid, and appsecret.