Facebook App Credential for Facebook Login and Share Functionalities.
Follow below steps to crete Facebook App Credential,
1. Login to Facebook
2. Go to Developer Account, https://developers.facebook.com/
3. Create new Facebook app
Choose Apps in the header navigation and select Add a New App or use the button below.
4. Choose a Name
Choose a name for your app and select Create New Facebook App ID. Choose a category for your app. If you’re creating a test version of an existing Facebook app, select the app you’re testing.
5. Choose Platform as Website
6. Enter Site URL in “Quick Start” page
7. App ID
Your app will have a unique app ID. You can find your app ID in your app’s dashboard.
8. Contact Email
You need to add a contact email for each app. Go to your app’s dashboard and select the navigation item Settings in the left sidebar and provide a valid contact email.
9. Disable Development Mode
New Facebook apps exist in development mode by default. Once your application is ready for public use you can switch from development mode to public mode to allow your app to interact with Facebook accounts not associated with your app.