Click on Select Project to create a new Google Apps Project(refer to image below).
Click on NEW PROJECT to create a new project or else select one from the existing projects.
Enter your Project name under the Project Name field.
Now, again click on Select a Project (highlighted in the image below) and select the newly created Project by clicking on the project name that you entered in the previous step.
Go to Navigation MenuAPIsServicesCredentials.
Click on Create Credentials button and then select OAuth Client ID from the options provided.
In case you are facing some warning saying that in order to create an configure OAuth, you must set a product name on consent screen (as shown in below image). Click on the Configure consent screen button.
Enter your product name under the Product Name Shown to Users field. Click on the SAVE button to save your settings.
Select Web Applicationfrom the options below Application Type. Enter the name you want for your Client ID under the name field and enter the Redirect/Callback URI from miniOrange social login plugin under the Authorized redirect URIs field.
Click on the SAVE button to save your configurations.
Copy your Client ID and Client Secret and save it on your miniOrange Social Login Plugin Configuration.
You have successfully completed your Google App configurations.
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