Project Creation, Add Scopes at Domain Level, Enable API Access in Google Cloud Console & Create p12 File

Now, you must open the existing project to create a new one.

In the pop-up Window, you will find all the created projects here. Click the New Project button.

Enter the New Project Name, Organizations and click the Create button to complete the project creating process.

Here, you will see that the new Project has been created successfully.

Tap on the newly created Project, and you will find that the new Project has a checked mark. Click Cancel.

Go to the Menu(having three Horizontal lines).

Select the APIs and services option from the drop-down menu.

Choose Credentials from the list.

In the new wizard, click on Create Credentials.

In the drop-down list, select Service account.

Now, enter the service account details:

• Service account name: Type the service account name.
• Service account ID: The Service account ID will automatically be created per the assigned name.
• Service account description: Describe what this service account will do.

After that, click on the CREATE AND CONTINUE button.

Now, it's time to assign a role to the Service account.

You can select Project and opt for a specific role, for example, Owner.

Click on the Continue button.

Here, you can also grant users access to this service account (optional). Click Done.

Now, click the edit icon to appear on the newly created project.

Here, you will find your service account ID(Email) and Unique ID. Please copy and save it at any desired location for future use.

First, search google.admin.console on Google search and click on the first one(containing the message Google Workspace Admin).

Here, click on the Admin console button.

Now you need to login to your admin account here, so enter your account password and click Next.

Here, search Security and click on it.

In the Security section, click on the API controls option.

Go to the Domain-wide delegation section and click the MANAGE DOMAIN-WIDE DELEGATION option.

Here, you need to click on the Add New option.

In the pop-up tab, enter the Client ID saved earlier.

After that, you must add different scopes here and click the AUTHORIZE button.

• https://mail.google.com/
• https://www.googleapis.com/auth/contacts.readonly
• https://www.googleapis.com/auth/calendar.events.readonly
• https://www.googleapis.com/auth/calendar.events
• https://www.googleapis.com/auth/admin.directory.user.readonly
• https://www.googleapis.com/auth/admin.directory.user
• https://www.googleapis.com/auth/calendar
• https://www.googleapis.com/auth/contacts
• https://www.googleapis.com/auth/admin.directory.userschema.readonly
• https://www.googleapis.com/auth/admin.directory.rolemanagement.readonly
• https://www.googleapis.com/auth/calendar.readonly
• https://www.googleapis.com/auth/calendar.settings.readonly
• https://www.googleapis.com/auth/gmail.readonly
• https://www.googleapis.com/auth/admin.directory.group.readonly
• https://www.googleapis.com/auth/drive.readonly
• https://apps-apis.google.com/a/feeds/groups/
• https://www.googleapis.com/auth/admin.directory.group
• https://www.googleapis.com/auth/directory.readonly
• https://www.googleapis.com/auth/profile.agerange.read
• https://www.googleapis.com/auth/profile.emails.read
• https://www.googleapis.com/auth/profile.language.read
• https://www.googleapis.com/auth/user.emails.read
• https://www.googleapis.com/auth/user.gender.read
• https://www.googleapis.com/auth/user.organization.read
• https://www.googleapis.com/auth/user.phonenumbers.read
• https://www.googleapis.com/auth/userinfo.email
• https://www.googleapis.com/auth/userinfo.profile
• https://www.googleapis.com/auth/drive
• https://www.googleapis.com/auth/photoslibrary
• https://www.googleapis.com/auth/keep
• https://www.googleapis.com/auth/forms.body
• https://www.googleapis.com/auth/forms.body.readonly
• https://www.googleapis.com/auth/forms.responses.readonly
• https://www.googleapis.com/auth/chat.messages
• https://www.googleapis.com/auth/chat.messages.reactions
• https://www.googleapis.com/auth/chat.messages.reactions.create
• https://www.googleapis.com/auth/chat.messages.reactions.readonly
• https://www.googleapis.com/auth/chat.messages.readonly
• https://www.googleapis.com/auth/chat.spaces.readonly
• https://www.googleapis.com/auth/chat.spaces.create
• https://www.googleapis.com/auth/chat.spaces
• https://www.googleapis.com/auth/chat.memberships
• https://www.googleapis.com/auth/chat.memberships.app
• https://www.googleapis.com/auth/chat.delete
• https://www.googleapis.com/auth/chat.messages.create

Here, search gcp on Google search and click on the first one(containing the message Google Cloud Platform(GCP)- Tools And Modern Applications)

In the opening dashboard, click on the Console option.

Go to the Menu(three horizontal lines).

Opt for the APIs and service>>Enabled APIs and services.

Here, click on the ENABLE APIS AND SERVICES option.

In the search box, open and Enable each library as given below:-

1. Admin SDK API
2. Google Drive API
3. Gmail API
4. Google Calendar API
5. Google People API
6. Contacts API
7. Google Slides API
8. Google Sheets API
9. Google Docs API
10. Google Forms API
11. Google Keep API

Once you find the Admin SDK API, click on it.

Now, you have to click on the ENABLE option.

Make sure to repeat the same steps again & again to enable all other APIs.

Go to the Menu(three horizontal lines) and click on the Credentials.

Click the edit icon.

Go to the KEYS section.

Here, click the ADD KEY button.

Select the Create new key option.

In the pop-up tab, choose the P12 as a key type and click the CREATE button.

Click CLOSE.