Why use attachments?
- Be prepared: Review a guest’s resume or document before the meeting starts so you’re ready to discuss it.
- Professional workflow: Gives your booking process a high-end, organized feel for things like job interviews or coaching sessions.
How to set it up
1
Open the Advanced tab
Go to your Event Types, click Edit on the event you want to change, and open the Advanced tab.
2
Add a question
Scroll down to the Booking questions section and click + Add a question.

3
Select the Attachment input type
In the Input type dropdown, select Attachment.
4
Fill in the details
- Identifier: A short name for the system (e.g., “Resume” or “Upload Project Brief”).
- Label: The text your guest will see (e.g., “Attach-the-document”).
- Required: Select Yes if the guest must upload a file to finish booking.

5
Add and save
Click Add, then click Save at the top of the page.

How it works for the booker
- Upload field: On the booking page, the guest sees a “Drop file here or Choose file” box under your question.

- File selection: Guests can drag a file into the box or select one from their computer.
- Visual feedback: Once uploaded, the guest sees the file name and size before clicking Confirm.

Where to find the files
Once a booking is completed, you don’t need to check your email to find the file. Go to the Bookings tab in your Cal ID sidebar and click that specific booking to view and download the attached file.
Next steps
Add pre-booking questions
Explore every input type and build your full intake form.
Hide & prefill questions
Pre-fill known data and hide internal-only fields with URL parameters.