Decline Cal bookings from Trello decisions
Record the decision in Trello and close the pending Cal request with a clear reason.
Trigger
Card Updated Trigger
Triggered when a specific card is updated
Action
Decline booking with reason
Declines a pending booking using its bookinguid, optionally with a reason; this action is irreversible and applies only to bookings awaiting confirmation.
Why this helps
Decline decisions get recorded in project work but remain unresolved in scheduling.
- Closes rejected requests
- Preserves the reason
- Reduces duplicate communication
Setup
Build it in a few focused steps.
- 1Connect Trello and Cal in Notis.
- 2Create an automation describing how a decline update should decline the linked pending booking with its reason.
- 3Select Trello Card Updated Trigger.
- 4Choose the report channel and test with one pending booking.
Questions about this workflow
Is this action reversible?
Declining a pending booking is irreversible, so use a clear Trello decision convention.
Where does the reason come from?
Notis can use the card description or update details returned by Trello.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Trello to Cal. A trigger fires from one place; an action lands in another.
Trello triggers
Cal actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Add member to team
Adds a new member to a specified team within an organization by creating a team membership.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Add organization attribute option
Adds a new option to an organization's attribute, requiring a display `value` and a `slug` unique for that attribute.
Card Archived Trigger
Triggered when a card is archived in the specified board
Delete oauth client webhook
Permanently deletes a specific webhook subscription of an oauth client in the cal application, stopping its notifications.
New Activity Trigger
Triggered when there is activity in Trello.
Cancel booking via uid
Cancels an existing and active cal.com booking using its unique identifier (uid).
New Board Trigger
Triggered when a board is created in the specified workspace
Check calendar availability
Retrieves free/busy availability for a specified calendar to aid scheduling without revealing event details; requires an existing, accessible calendar, noting that data granularity can vary.
New Card Trigger
Triggered when a card is created in the specified board
Check gcal synchronization status
Call this read-only action to verify the connection and synchronization status of a user's google calendar integration with cal.
Card Updated Trigger
Triggered when a specific card is updated
Check ics feed calendar endpoint
Checks an ics feed url (expected as a query parameter) to verify its validity, accessibility, and icalendar data integrity.
Check Stripe status
Verifies if stripe is correctly connected to the cal scheduling system and functional for processing payments, reporting only on the integration's status.
Connect any two apps with Notis in the middle.
Trello and Cal, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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