Keep invoice follow-up visible when an attendee declines
A declined RSVP can change the context around an event. Have Notis surface the related invoice in Chaser so it does not get lost in calendar activity.
Trigger
Attendee Response Changed
Polling trigger that fires when any attendee's RSVP changes to accepted, declined, or tentative. Returns attendee info and current status.
Action
Update Invoice
Tool to update an existing invoice's information using its unique identifier. use after confirming the invoice exists when you need to modify fields like status, amounts, or dates.
Why this helps
A declined attendee response can be easy to miss when invoice follow-up lives in a separate system.
- Turns an RSVP change into a clear invoice review prompt.
- Keeps calendar and payment follow-up in one automation.
Setup
Build it in a few focused steps.
- 1Connect Google Calendar and Chaser once in the Notis portal.
- 2Create an automation in Notis, or tell Notis the outcome in plain language from any channel.
- 3Describe: when an attendee declines, identify the related Chaser invoice and update its status for follow-up.
- 4Pick the Google Calendar Attendee Response Changed trigger and choose where run reports go.
- 5Test with one real declined RSVP and confirm the invoice match and update.
Questions about this workflow
Does a declined RSVP identify the invoice automatically?
The trigger returns attendee information and RSVP status, but it does not provide an invoice reference. Tell Notis how to identify the matching invoice, or supply that missing relationship.
Can this workflow change invoice status?
Yes. It uses Chaser Update Invoice after identifying the existing invoice and deciding the appropriate status.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Google Calendar to Chaser. A trigger fires from one place; an action lands in another.
Google Calendar triggers
Chaser actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Create Invoice
Tool to create a new invoice record in the organization. use after ensuring the customer exists in chaser.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get Credit Notes
Tool to retrieve a list of credit notes. use after authenticating this detail.
Attendee Response Changed
Polling trigger that fires when any attendee's RSVP changes to accepted, declined, or tentative. Returns attendee info and current status.
Get Customer by ID
Tool to retrieve details for a specific customer by their external (source system) id. use after obtaining the external id when you need specific customer information.
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.
Get Customers
Tool to retrieve a list of all customers associated with the organization. use when you need to display or process complete customer contact and status information.
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.
Get Organization
Tool to retrieve information about the connected organizations. use when you need organization ids, currency, timezone, or legal details before other operations.
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).
Create Credit Note
Tool to create a new credit note record in the organization. use after confirming invoice adjustments.
Event Created
Polling trigger that fires when a new calendar event is created. Returns event ID, summary, start/end times, and organizer info.
Create Customer
Tool to create a new customer record in chaser. use after obtaining basic auth credentials.
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).
Update Customer
Tool to update an existing customer's information using their unique externalid. use after confirming the customer's externalid. e.g., "update contactemailaddress for externalid cust abc123."
Connect any two apps with Notis in the middle.
Google Calendar and Chaser, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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