---
schema_version: "1"
id: 8530122d577127363a6162c37a860d2c577ef24060560d8479c22496cc40ebc3
title: UnifiedActivityParticipant
collection: legacydeveloper
version: current
locale: en-us
portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/object_reference/sforce_api_objects_unifiedactivityparticipant.md
canonical_url: https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/sforce_api_objects_unifiedactivityparticipant.htm
source_site: developer.salesforce.com
content_type: documentation
content_hash: 955b1dec6c1379f89a89f28b1df9dac091db34b7a1684e29b45e63bca55b263d
description: Represents a participant in an activity. For example, a participant in a voice call is someone who initiated the call or someone who received the call. Available for reports and dashboards in API version 59.0 and later.
---
# UnifiedActivityParticipant

Represents a participant in an activity. For example, a participant in a voice call is someone who initiated the call or someone who received the call. Available for reports and dashboards in API version 59.0 and later.

## 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

We’re retiring Einstein Activity Capture Activity 360 Reporting. Starting in Summer ’25, this object isn’t available with Einstein Activity Capture 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)

## Fields

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

reference

Properties

Filter, Group, Nillable, Sort

Description

ID of the activity that the person participated in.

This field is a polymorphic relationship field.

Relationship Name

Activity

Relationship Type

Lookup

Refers To

UnifiedActivity, UnifiedEmail, UnifiedMeeting, UnifiedTask, UnifiedVideoCall, UnifiedVoiceCall



 |
| ChannelAddress | 

Type

string

Properties

Filter, Nillable

Description

The channel-specific address used to identify the participant in an external communication. For example, an email address in an email or a phone number in a voice call. The value is captured at the time of the communication; it doesn’t change if the contact’s email address or phone number is updated later.



 |
| ParticipantType | 

Type

picklist

Properties

Filter, Nillable, Restricted picklist

Description

The role of the participant 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 person who participated in the activity.

This field is a polymorphic relationship field.

Relationship Name

Person

Relationship Type

Lookup

Refers To

Contact, Lead, User



 |