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See project calendar events when a task list changes

When a list changes, find the calendar commitments connected to that work.

Trigger

Task List Changed

Triggers when a task list changes (title or content updates). This trigger monitors a specific Google Tasks list and fires when changes are detected.

Action

Find event

Finds events in a specified google calendar using text query, time ranges (event start/end, last modification), and event types; ensure `timemin` is not chronologically after `timemax` if both are provided.

Why this helps

Project changes in a task list can leave related dates and events hard to locate.

  • Gather related calendar context after list changes.
  • Spot commitments that may need a human review.
  • Keep project planning connected across tasks and events.

Setup

Build it in a few focused steps.

  • 1Connect Google Tasks and Google Calendar once in the Notis portal.
  • 2Create an automation in Automations, then choose New Automation.
  • 3Tell Notis how to recognize calendar events related to the list and summarize matching events for review.
  • 4Pick the Google Tasks Task List Changed trigger and choose where run reports should go.
  • 5Test with one changed list that has a clear project name or identifier.

Questions about this workflow

Will this edit events based on the list change?

No. It finds and summarizes related events so you can decide what should change.

What should I include in the matching rule?

Use a distinctive project name or shared identifier that appears in both task and event details.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

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

Google Tasks triggers

Google Calendar actions

Recurring trigger

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

TriggerScheduled

Insert Calendar into List

Inserts an existing calendar into the user's calendar list.

ActionInstant

Webhook trigger

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

TriggerInstant

Update Calendar List Entry

Updates an existing entry on the user\'s calendar list.

ActionInstant

New Task Created

Triggers when a new task is created in a Google Tasks list. Uses timestamp filtering (updatedMin) to efficiently detect new tasks.

TriggerPolling

Delete Calendar

Deletes a secondary calendar. use calendars.clear for clearing all events on primary calendars.

ActionInstant

New Task List Created

Triggers when a new Google Tasks task list is created. This trigger monitors Google Tasks and fires when new task lists are detected.

TriggerPolling

Update Calendar

Updates metadata for a calendar.

ActionInstant

Task Details Changed

Triggers when a specific task's details change. This trigger monitors a single Google Task and fires when any of its details (title, notes, status, due date, completion, position) are modified.

TriggerPolling

Clear Calendar

Clears a primary calendar. this operation deletes all events associated with the primary calendar of an account.

ActionInstant

Task List Changed

Triggers when a task list changes (title or content updates). This trigger monitors a specific Google Tasks list and fires when changes are detected.

TriggerPolling

Create Event

Creates an event on a google calendar, needing rfc3339 utc start/end times (end after start) and write access to the calendar. by default, adds the organizer as an attendee unless exclude organizer is set to true.

ActionInstant

Task Updated

Triggers when an existing task is updated in a Google Tasks list. This trigger monitors a specific task list and fires when tasks are modified.

TriggerPolling

Delete event

Deletes a specified event by `event id` from a google calendar (`calendar id`); this action is idempotent and raises a 404 error if the event is not found.

ActionInstant

Create a calendar

Creates a new, empty google calendar with the specified title (summary).

ActionInstant

Connect any two apps with Notis in the middle.

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

When this happens · Trigger

Do this · Action

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