---
title: "Event data model"
url: "https://docs.unified.to/calendar/event/model"
description: "API reference for Event data model. Launch multiple pre-built Event integrations today with zero maintenance — all through a single API."
generated_at: "2026-06-26T21:11:41.302Z"
---
# Event data model

 View field support, webhooks, and list parameters for each integration on the [Supported Integrations](/calendar/integrations) page. 

### 

* Data Model
* Typescript Type
* Zod Shape
* Python Class

Data Model

**id**string 

**created\_at**string 

(ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)

**updated\_at**string 

(ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)

**calendar\_id**string 

(reference to CalendarCalendar)

**subject**string 

**start\_at**string 

(ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)

**end\_at**string 

(ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)

**is\_all\_day**boolean 

**timezone**string 

**notes**string 

**location**string 

**is\_free**boolean 

**is\_private**boolean 

**status** enum

Valid values:

 "CANCELED" 

 "CONFIRMED" 

 "TENTATIVE" 

**organizer**object 

**attendees** array 

**recurring\_event\_id**string 

(reference to CalendarEvent)

**recurrence** array 

**web\_url**string 

**has\_conference**boolean 

**conference** array 

**attachments** array 

**send\_notifications**boolean 

**raw**any