---
schema_version: "1"
id: 3b279bb8d9313a7d4dd811a49cff806cb555621ccfb114a2ace5f85e65104f34
title: UnifiedTaskParticipant
collection: legacydeveloper
version: current
locale: en-us
portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/object_reference/sforce_api_objects_unifiedtaskparticipant.md
canonical_url: https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/sforce_api_objects_unifiedtaskparticipant.htm
source_site: developer.salesforce.com
content_type: documentation
content_hash: e8ba6a6191c495a2a067d1f795a58f4cf0a0d82f21518a899b3838915b40584c
description: Represents a participant in a task. Available for reports and dashboards in API version 59.0 and later.
---
# UnifiedTaskParticipant

Represents a participant in a task. Available for reports and dashboards in API version 59.0 and later.

![Important](https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/images/icon_note_important.png)

#### Important

Starting in Summer ’25, this object isn’t available unless Activity 360 Reporting was enabled in your org in Spring ’25 or earlier. See Knowledge Article: [Einstein Activity Capture Activity 360 Reporting, Activity Metrics, Activities Dashboard Upcoming Retirement](https://help.salesforce.com/s/articleView?id=004633781&type=1&language=en_US)

## Supported Calls

describeSObjects(), query(), retrieve()

![Note](https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/images/icon_note.png)

#### Note

This object is available only for reporting. It isn’t supported for SOQL queries and APIs.

## Special Access Rules

Einstein Activity Capture and Activity 360 Reporting must be enabled.

## Fields

| Field | Details |
| --- | --- |
| ActivityId | 
Type

reference

Properties

Filter, Group, Nillable, Sort

Description

ID of the activity the person is participating in.

This field is a relationship field.

Relationship Name

Activity

Relationship Type

Lookup

Refers To

UnifiedTask



 |
| ChannelAddress | 

Type

string

Properties

Filter, Nillable

Description

Username of the participant. The username is captured at the time of the communication; it doesn’t change if the contact’s username is updated later.



 |
| ParticipantType | 

Type

picklist

Properties

Filter, Nillable, Restricted picklist

Description

The participant’s role in the activity.

Possible values are:

- AssignedTo
- Attendee
- BCC
- CC
- From
- OptionalAttendee
- Organizer
- To





 |
| PersonId | 

Type

reference

Properties

Filter, Group, Nillable, Sort

Description

ID of the contact, lead, or user participating in the activity.

This field is a polymorphic relationship field.

Relationship Name

Person

Relationship Type

Lookup

Refers To

Contact, Lead, User



 |