---
title: "Activity data model"
url: "https://docs.unified.to/ats/activity/model"
description: "API reference for Activity data model. Launch multiple pre-built Activity integrations today with zero maintenance — all through a single API."
generated_at: "2026-05-25T17:20:01.969Z"
---
# Activity data model

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

### 

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

Data Model

**id**string 

**created\_at**date 

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

**updated\_at**date 

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

**candidate\_id**string 

**application\_id**string 

**job\_id**string 

**interview\_id**string 

**document\_ids**string array 

IDs for AtsDocument.get

**title**string 

**description**string 

**is\_private**boolean 

**user\_ids**string array 

id values of the recruiters associated with the activity.

**type** enum

Valid values:

 "NOTE" 

 "TASK" 

 "EMAIL" 

**from**object 

**to** array 

**cc** array 

**bcc** array 

**sub\_type**string 

**company\_id**string 

(reference to AtsCompany)

**raw**any