User Account Permissions

Screenshot of the permissions that Webex requests when you enable the scheduler to connect to your Google account
Figure 1: Webex Requests These Permissions
Table 1. Requested permissions and how Webex uses them



Data accessed

What does Webex use it for?

View your email message metadata when the add-on is running


Subject line, date and time, invitee list

When you schedule a Webex meeting in Gmail, the scheduler reads these pieces of information, which are the essential requirements to schedule the meeting.

Run as a Gmail add-on


Allows the Webex Scheduler to run in a user’s Gmail.

See the events you open in Google Calendar


Subject line, date and time, invitee list

When you open an event in Google Calendar, the scheduler reads these pieces of information, which are the essential requirements to schedule the meeting.

Edit the events you open in Google Calendar


Subject line

Add Webex conference data info (card UI/property) into current opened calendar event.

Run as a Calendar add-on


Allows the Webex Scheduler to run in a user’s Google calendar

View and edit events on all your calendars


Read subject line, date and time, invitee list

Edit subject line

Allows us to support shared calendar scenarios, in the same way as we read from and write to events in a single user's calendar.

View your Calendar settings


Google OAuth 2.0 requires this scope. See

See info about users on your domain

Google Workspace Admin

Webex siteURL in Google User Info

If you have set a Webex siteURL in Google user info, then we can read this URL and login to this site as the user's default.

Connect to an external service

Apps Script

Connect to Webex service

The Scheduler needs to call the Webex service to request create/update/delete of the associated Webex meeting.

Allow this application to run when you are not present

Apps Script

Access Google event object based on Google trigger

This allows the Scheduler to run when you are not present, in response to a Google trigger, for example to update/delete a meeting in your calendar. See

View and manage data associated with the application

Apps Script

Application’s cache

The Scheduler caches some Webex information in Google storage. For example, the Webex site URL and the Webex meeting template.

View your country, language, and timezone

Apps Script

User’s current time

The Scheduler reads your time zone to schedule or update the associated Webex meeting

See your primary Google Account email address


User’s Gmail account address

The Scheduler reads the user’s email address to bind it to their Webex account.

See your personal info, including any personal info you've made publicly available


User’s name and preferred language (default)

The Scheduler reads the user’s public user information, including full name, and the preferred language to use as the user's default.

Webex Scheduler Architecture Overview

Architecture diagram showing the Google cloud, Webex cloud, and the Google Calendar client, with numbered arrows linking them.
  1. Your site administrator uses Site Administration or Control Hub to enable Webex add-on for Google Workspace.

  2. Each individual authorizes permissions for the Webex add-on for Google Workspace (if your admin doesn’t authorize) and connects their Google account with their Webex account.

  3. Webex subscribes to calendar changes from Google.

  4. A user adds a Webex meeting to a Google Calendar event, updates the time or topic, or copies an event to another date and time.

  5. The Webex add-on client receives Google Calendar notifications and syncs with Webex.

Google APIs Used by the Webex Scheduler

The tables below provide information on the Google APIs used by the Webex Scheduler.


For most of the cases, the Webex Scheduler uses the Google App Script API. For a few cases, the scheduler uses the Google REST API. Generally, the Google App Script API wraps the associated Google REST API. The Reference URL column points to the Google App Script API where possible but may refer to the Google REST API reference URL if necessary.

Table 2. Google App Script APIs used by Webex Scheduler

Google App Script API

What it does

Reference URL


Get user calendar ID, the id of default calendar is user’s email address


Get the name of the calendar


Get the calendar’s timezone


Search for specific events that match some criteria


Update the specifical event  metadata to store webex meeting info


The properties to access the calendar attendees


The properties to access the event conference data


Get the topic of the calendar event.


Get the calendar event’s creator


Get event’s start time


Get event’s end time


Get user’s cache to retrieve the user’s preference settings


Get specific cache setting by key


Set some specific cache by key,String)

ConferenceDataService. newConferenceDataBuilder 

Create a google specifical data structure to store and display webex meeting info 

Generate webex meeting info data


Retrieve the specifical  gmail message


Create a Gmail message which contain the webex email body,String,String)


Get Gmail sender email


Get gamil receiver


Get Gmail message title


Get Gmail message date and time


Access the persist user perference or setting


Get specifical property by key


Set new property for key and value,String)


Get current user email


Set up a new trigger to handle event update


Use this API to call Webex Addin Service or google API to create/update meeting, we will not call any other 3rd party service

Table 3. Google REST APIs used by Webex Scheduler


What it does

Reference URL


Get Google Authentication token


Get the configured user Webex site

Frequently Asked Questions

How does Webex secure the integration?

Add-on runs on Google cloud platforms server, and no Google data is saved except for Webex meeting info (subject, invitee list) which is stored in Webex backend and deleted after a scheduled meeting ends.


How do we secure customer data that we “pull” from this integration?

We only collect data that we need, and we only store it as long as we need to.

We collect Webex meeting information and store it in the Webex cloud. We delete the meeting information after a given period of time, which you control with your Webex retention policy.

Do we use a public or private API to connect to the Google service ?

Addon runs on Google cloud platform and access to Google’s built-in libraries directly.