You will be brought to an Application Management Page. Scroll down to REST API apps and click on Create App.
You will be shown a form where you have to enter Application Name and Sandbox Developer Account. Fill the form with appropriate information. Then Click on Create App.
You will be brought back to the Application Management page. Here you can find Client ID and Client Secret.
Copy these credentials in (miniOrange Social Login Plugin) on corresponding fields.Scroll Down to Sandbox App Settings. Copy Callback/Redirect URL from miniOrange Social Login Plugin and paste it there. Then Click on + or press Enter.
Step 2: Set credentials in miniOrange Social Login Plugin
Copy the Client Id and Client Secret form above setup and Paste them into the fields in Instructions.
Then click on Save & Test Configuration button.
Custom app will set properly when Test configuration get successful