Catch deadline conflicts before you're double-booked
A deadline is mentioned in a channel. Before you commit to it, Notis searches your calendar to see if you're already booked. You get instant visibility so you can flag conflicts before it's too late.
Trigger
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
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
Deadlines get discussed in Slack but you say 'yes' without checking your calendar. Three days in, you realize you're overcommitted and have to scramble or disappoint someone.
- Instantly know if a new deadline overlaps with existing commitments
- Reduce the shame of overcommitting by saying 'I need to check my calendar' with confidence
- Keep all deadline dates in one view instead of scattered across Slack threads
Setup
Build it in a few focused steps.
- 1Connect Slack and Google Calendar to Notis
- 2Tell Notis: 'When a deadline is mentioned in Slack, search my calendar for that date'
- 3Notis will scan your calendar and report free vs. booked time in your chosen channel
- 4Test with a mock deadline mention—Notis will show you what's already scheduled
Questions about this workflow
How does Notis know which words mean deadline?
You can train it by giving examples: 'Notis, when you see phrases like due date, deadline, or ship date, search my calendar.'
What if the deadline date isn't specific?
You can ask Notis to ask for clarification in the Slack thread before searching, or set a default range (e.g., next 2 weeks) to check.
Will this work for recurring deadlines?
Yes. For weekly or monthly deadlines, Notis can check multiple instances of those dates and flag which weeks you're most constrained.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Google Calendar. A trigger fires from one place; an action lands in another.
Slack triggers
Google Calendar actions
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Insert Calendar into List
Inserts an existing calendar into the user's calendar list.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Update Calendar List Entry
Updates an existing entry on the user\'s calendar list.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Delete Calendar
Deletes a secondary calendar. use calendars.clear for clearing all events on primary calendars.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Update Calendar
Updates metadata for a calendar.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Clear Calendar
Clears a primary calendar. this operation deletes all events associated with the primary calendar of an account.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
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.
Reaction Removed Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_REMOVED` instead. Triggered when a reaction is removed from a message.
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.
New Bot Message Received Trigger
DEPRECATED: use `SLACK_CHANNEL_MESSAGE_RECEIVED` with `is_bot_message=true` instead. Triggered when a new bot message is posted to a Slack channel.
Create a calendar
Creates a new, empty google calendar with the specified title (summary).
Connect any two apps with Notis in the middle.
Not just Slack and Google Calendar. Any combination from 985+ integrations.
When this happens · Trigger
Do this · Action
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