OAuth Basics and Use

STEP-BY-STEP

1

Now browse the URL https://developers.google.com/oauthplayground/.
2

On the right side of the window, click the Settings icon
3

Tick the box for Use your own OAuth credentials
4

In the pop-up window which appears, enter your project name as desired and click on Create button. Let this process run, it may take a few seconds
5

Enter the copied Client ID and Client Secret in the corresponding fields, then click Close at the bottom