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Send a Customer.io broadcast after an event is canceled

Make cancellations easier to communicate when a meeting disappears from the calendar.

Trigger

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.

Action

Trigger Broadcast

Tool to manually trigger a broadcast. use when you need to override the default audience and provide personalization data after confirming the broadcast id.

Why this helps

A canceled meeting can leave attendees waiting or unsure whether plans have changed.

  • React when a calendar event is canceled or deleted.
  • Use the event summary when available and the cancellation timestamp.
  • Reduce the chance of leaving people with outdated plans.

Setup

Build it in a few focused steps.

  • 1Connect Google Calendar and Customer.io once in the Notis portal.
  • 2Create an automation in Automations, New Automation, and give it a clear name.
  • 3Describe in one instruction which existing broadcast to trigger for a cancellation and what available context to include.
  • 4Pick Event Canceled or Deleted as the trigger and choose where run reports go.
  • 5Test with one real cancellation and confirm the broadcast behavior.

Questions about this workflow

What information does this trigger return?

It returns minimal data: the event ID, summary if available, and cancellation timestamp.

Can the workflow infer who attended?

The trigger does not return attendee details, so the instruction should not rely on them unless supplied separately.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link Google Calendar to Customerio. A trigger fires from one place; an action lands in another.

Google Calendar triggers

Customerio actions

Recurring trigger

Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.

TriggerScheduled

Suppress Customer Profile

Tool to suppress a person. use when you need to permanently delete a customer's profile and prevent them from being re-added.

ActionInstant

Webhook trigger

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

TriggerInstant

Get Integrations

Tool to retrieve a list of integrations in your workspace. use when you need to discover configured integrations.

ActionInstant

Attendee Response Changed

Polling trigger that fires when any attendee's RSVP changes to accepted, declined, or tentative. Returns attendee info and current status.

TriggerPolling

Get Messages

Tool to retrieve a list of messages sent from your workspace. use when you need paginated delivery metrics for messages, e.g., list email messages delivered between two timestamps.

ActionInstant

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.

TriggerPolling

Get Segment Details

Tool to retrieve details of a specific segment. use after identifying the segment id from list segments.

ActionInstant

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.

TriggerPolling

Get Segment Membership

Tool to retrieve people in a specific segment. use when you need to page through segment membership after identifying segment id.

ActionInstant

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).

TriggerInstant

Get Segments

Tool to retrieve a list of segments in your workspace. use when you need to fetch all segments after configuring segment rules.

ActionInstant

Event Created

Polling trigger that fires when a new calendar event is created. Returns event ID, summary, start/end times, and organizer info.

TriggerPolling

Get Trigger

Tool to retrieve details about a specific trigger. use after triggering a broadcast to confirm its status and metadata.

ActionInstant

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).

TriggerPolling

Get Triggers

Tool to retrieve a list of triggers for a specific broadcast. use after identifying broadcast id to inspect associated triggers.

ActionInstant

Connect any two apps with Notis in the middle.

Google Calendar and Customerio, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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