---
schema: rendered-html/v1
title: "MultiValueActivityItem | Developer Portal for YouTrack and Hub Documentation"
source_url: https://www.jetbrains.com/help/youtrack/devportal/api-entity-MultiValueActivityItem.html
generated_at: 2026-06-11T14:52:08.249942+00:00
---

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1. YouTrack REST API
2. REST API Reference
3. Entities
4. ActivityItem
5. [MultiValueActivityItem](#0)

# MultiValueActivityItem﻿

Last modified: 14 October 2024

Represents a change in an entity attribute that has type of `Array of <Entities>`.

Extends ActivityItem

Extended by:

- WorkItemTypeActivityItem
- SprintActivityItem
- CommentAttachmentsActivityItem
- LinksActivityItem
- TagsActivityItem
- VotersActivityItem
- VisibilityActivityItem

## Attributes﻿

This table describes attributes of the `MultiValueActivityItem` entity.

- To receive an attribute in the response from the server, specify it explicitly in the `fields` request parameter.
- To update an attribute, provide it in the body of a POST request.

| Field | Type | Description |
| --- | --- | --- |
| id | String | The ID of the MultiValueActivityItem. `Read-only`. |
| added | Type is specified in the descendent entities | The list of entities that are added to an attribute in the target entity. `Read-only`. |
| removed | Type is specified in the descendent entities | The list of entities that are removed from an attribute in the target entity. `Read-only`. |
| author | User | The user who performed the action. `Read-only`. |
| category | ActivityCategory | The category of the activity. `Read-only`. |
| field | FilterField | The filter field. It contains the additional information about the modified property in the target entity. For example, the information about a link type, or the type of the modified custom field or bundle, and so on. `Read-only`. `Can be null`. |
| target |  | The entity that is the target of the performed action. `Read-only`. |
| targetMember | String | The name of the property of the target entity, which was modified. `Read-only`. `Can be null`. |
| timestamp | Long | The timestamp of the activity event. Stored as a unix timestamp at UTC. `Read-only`. |

- [MultiValueActivityItem](/help/youtrack/devportal/api-entity-MultiValueActivityItem.html)
- [Attributes](/help/youtrack/devportal/api-entity-MultiValueActivityItem.html#-1uerty_6)

TextCustomFieldActivityItemCommentAttachmentsActivityItem

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