How to get Google Client ID and Secret

• Log into Google developer console : http://console.developers.google.com/
• Create a new project
• Go to OAuth consent screen section
• Choose External and click CREATE
• Set the App information and the App domain, here I used http://localhost:4200/
• Enter other required information and click Save
• Next go to Credentials and Click CREATE CREDENTIALS (OAuth client ID)
• Choose Web Applocation for Application type and fill the other information
• After click CREATE you will get the Client ID and Secret