Navigate to https://console.cloud.google.com/apis/credentials
1 - Fill in the name.
2 - Select the organization. i.e "myOrg.io"
1 - Click on the Library menu
2 - Enable Google Picker API
3 - Enable Google Drive API
Get back to the project credentials page.
1.1 - Click on the + CREATE CREDENTIALS button.
1.2 - Select API keys
1.3 - On the API key created modal window, select the RESTRICT KEYS button.
1.4 - Assign a name: i.e "API key - Google Integration Feature"
1.5 - On the API restrictions section, select the restrict key and select the DRIVE and PICKER APIs
1.6 - SAVE it
2.1 - Click on the + CREATE CREDENTIALS button.
2.2 - Select Service account.
2.3 - Fill in account name and description, click on the CREATE button.
2.4 - Select project Role: Role > Editor, click on the CONTINUE button.
2.5 - Click on the DONE button.
2.6 - Back to Credentials and select the created service account.
2.7 - On the Keys section, click on "ADD KEY > Create new key", on the Key Type select JSON and click on CREATE, save the JSON in a secure place.
3.1 - Click on the + CREATE CREDENTIALS button.
3.2 - Select OAuth Client ID.
3.3 - To create an OAuth client ID, you must first set a product name on the consent screen, click on the CONFIGURE CONSENT SCREEN button.
3.4 - Select: User Type > External, click on the CREATE button.
3.5 - App information: Fill App name and description
3.6 - App domain: Application home page and Application privacy policy link
3.7 - Authorized domains: Add the domain
3.8 - FIll the Developer contact information email
3.9 - Click on the SAVE AND CONTINUE button.
4.1 - Click on the ADD OR REMOVE SCOPES button.
4.2 - Look for the NON-SENSITIVE scope: https://www.googleapis.com/auth/drive.file, select it and click UPDATE
NOTE: If a sensitive scope is needed, the app needs to pass the verification process that takes about 4-6 weeks.
4.3 - Click on the SAVE AND CONTINUE button.
5.1 - Fill in the email address
5.2 - Add some description of the intention of the app
5.3 - Click on the SAVE AND CONTINUE button.
Review the information in the summary and click on BACK TO DASHBOARD
6.1 - Click on the + CREATE CREDENTIALS button.
6.2 - Select OAuth Client ID.
6.3 - Application Type: "Web Application"
6.4 - Add a name: i.e: "Web client"
6.5 - Authorized JavaScript origins: Add URI: "www.example.com"
6.6 - Authorized redirect URIs: Add callback URI: "www.example.com/callback"
6.7 - Click on the CREATE button.
6.8 - Copy the provided values
Done!