To use your enabled APIs, you must create credentials. Perform the following steps to create credentials for your project.

1. Go to the Navigation Menu on the Google Cloud Platform.
2. Click API & Services and from the list of services, select Credentials. A new page appears.
3. Select Create Credentials.
   
   
4. Under Create Credentials, select OAuth client ID. Create OAuth client ID page appears.
   After selecting OAuth client ID, your application can access the data from the user’s account.
5.  Select Configure Consent Screen. OAuth consent page appears.
   
6.  Under User Type, select Internal.
   Selecting Internal makes your application available to users within your organization only.
   
7.   Click Create.
   You are redirected to OAuth consent screen > Edit app registration page.
8.  On the Edit app registration page, fill in the following information.
   • Under App information:
     • App Name
     • User support email
   • Under Developer contact information
     • Email address
9.  Click SAVE AND CONTINUE.
   You are redirected to the Scopes page.