Automation library · Scheduling

Manage online bookings with Gmail and Google Calendar

Started by another system calling it, and works across Gmail, Google Calendar and Slack. 26 steps, 3 branches: large, and worth reading before you trust it with anything live.

Large

Download free
26 stepsLarge: read it before trusting it with anything live
3Branches: places the flow splits
0Loops or waits
3Services it connects to

The flow

Starts it 6Logic 12Service 8

The steps in the order they run, from what starts it.

  1. 1Webhook - New BookingWebhookStarts it
  2. 2Slack - Notify TeamSlackService
  3. 3Error TriggerError triggerStarts it
  4. 4Validate BookingCodeLogic
  5. 5Prepare Audit EntryCodeLogic
  6. 6Format ErrorCodeLogic
  7. 7IF - Valid RequestIfLogic
  8. 8API - Log AuditHttp RequestService
  9. 9Slack - Error AlertSlackService
  10. 10API - Check DuplicatesHttp RequestService
  11. 11Format Validation ErrorCodeLogic
  12. 12Format SuccessCodeLogic
  13. 13IF - Not DuplicateIfLogic
  14. 14Respond - Validation ErrorRespond To WebhookStarts it
  15. 15Respond - SuccessRespond To WebhookStarts it
  16. 16API - Check AvailabilityHttp RequestService
  17. 17Format Duplicate ErrorCodeLogic
  18. 18IF - AvailableIfLogic
  19. 19Respond - DuplicateRespond To WebhookStarts it
  20. 20API - Create BookingHttp RequestService
  21. 21Format UnavailableCodeLogic
  22. 22Format EmailCodeLogic
  23. 23Respond - UnavailableRespond To WebhookStarts it
  24. 24Send Confirmation EmailGmailService
  25. 25Prepare Calendar EventCodeLogic
  26. 26Create Calendar EventGoogle CalendarService

How it's built

Starts on
Another system calling it
Steps
26, with 3 branches
Size
Large: read it before trusting it with anything live
Connects to
Gmail, Google Calendar, Slack
Model
None. This is plumbing, not judgement

Questions

What does it need to run?

An n8n account, plus your own Gmail, Google Calendar and Slack accounts. You connect your own accounts after importing it; none are included.

What starts it?

It starts on another system calling it.

Does it use AI?

No. Every step is fixed logic or a call to a service, so it does the same thing every time.

How long does it take to set up?

Take your time. At 26 steps it is large: read it before trusting it with anything live.

How do I import it?

Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.

Before you run it

Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 26 steps before you point it at anything that matters.