Automatically reply to meeting threads when events change
You update a calendar event. Notis automatically replies in any Gmail thread about that meeting, letting everyone know in one place—no separate emails.
Trigger
Event Updated
Triggers when an existing Google Calendar event is modified. Returns the event ID, change type, and the specific fields that changed with their previous and new values.
Action
Reply to email thread
Sends a reply within a specific gmail thread using the original thread's subject, requiring a valid `thread id` and correctly formatted email addresses. supports attachments via the `attachment` parameter with valid `s3key`, `mimetype`, and `name`.
Why this helps
You reschedule a meeting. People are discussing it in email. You update the calendar but forget to reply-all in the email thread. Now there's confusion about when it actually is.
- Keep meeting communication in one email thread instead of scattered between email and calendar
- Ensure everyone sees updates by replying in the thread where they're already looking
- Reduce confusion by making the new time clear in email, not just calendar notifications
Setup
Build it in a few focused steps.
- 1Connect Google Calendar and Gmail to Notis
- 2Tell Notis 'When I update a meeting, reply to the Gmail thread about it with the new time'
- 3Select the trigger: Event Updated
- 4Customize the reply message (e.g., 'Updated: New time is 3 PM instead of 2 PM')
- 5Test by scheduling a meeting, discussing it in email, updating the event, and checking for the automatic reply
Questions about this workflow
How does Notis know which Gmail thread is about a meeting?
Notis searches for emails mentioning the meeting title or attendee names. It finds the thread discussing that event and replies there.
What if I don't want to reply to a particular thread?
You can exclude threads or people: 'Don't reply to [person's name]' or 'Skip threads that are labeled archived.' Control when replies happen.
Will my reply-all include everyone?
Yes, it replies to the same people on the thread. If you're concerned about over-communication, customize the rule to reply only to the organizer or a smaller group.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Google Calendar to Gmail. A trigger fires from one place; an action lands in another.
Google Calendar triggers
Gmail actions
Attendee Response Changed
Polling trigger that fires when any attendee's RSVP changes to accepted, declined, or tentative. Returns attendee info and current status.
Modify email labels
Adds and/or removes specified gmail labels for a message; ensure `message id` and all `label ids` are valid (use 'listlabels' for custom label ids).
Event Canceled or Deleted
Triggers when a Google Calendar event is cancelled or deleted. Returns minimal data: event_id, summary (if available), and cancellation timestamp.
Create email draft
Creates a gmail email draft, supporting to/cc/bcc, subject, plain/html body (ensure `is html=true` for html), attachments, and threading.
Event Starting Soon
Triggers when a calendar event is within a configured number of minutes from starting. Returns event details, time remaining, attendees, and join links when available.
Create label
Creates a new label with a unique name in the specified user's gmail account.
Calendar Event Changes
**SOON TO BE DEPRECATED** - Use Calendar Event Sync (polling trigger) instead. Real-time webhook trigger for calendar event changes. Returns event metadata only. For full event data, use Calendar Event Sync (polling trigger).
Delete Draft
Permanently deletes a specific gmail draft using its id; ensure the draft exists and the user has necessary permissions for the given `user id`.
Event Created
Polling trigger that fires when a new calendar event is created. Returns event ID, summary, start/end times, and organizer info.
Delete message
Permanently deletes a specific email message by its id from a gmail mailbox; for `user id`, use 'me' for the authenticated user or an email address to which the authenticated user has delegated access.
Calendar Event Sync
Polling trigger that returns full event data including details, attendees, and metadata. For real-time notifications with basic info, use Calendar Event Changes (webhook).
Fetch emails
Fetches a list of email messages from a gmail account, supporting filtering, pagination, and optional full content retrieval.
Event Updated
Triggers when an existing Google Calendar event is modified. Returns the event ID, change type, and the specific fields that changed with their previous and new values.
Fetch message by message ID
Fetches a specific email message by its id, provided the `message id` exists and is accessible to the authenticated `user id`.
Fetch Message by Thread ID
Retrieves messages from a gmail thread using its `thread id`, where the thread must be accessible by the specified `user id`.
Connect any two apps with Notis in the middle.
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When this happens · Trigger
Do this · Action
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