a. Go to https://console.cloud.google.com/apis/credentials .
b. You need to create 3 different credentials: Android Client, iOs Client and Web Client with Console Google. If you have not created a project before, click on the Create Project button and create your project.
c. After creating your project, click on the Create credentials button.
d. Select 0Auth clientID.
And add the rest of the information.
