---
schema_version: "1"
id: 9eb4ee28fa7e1a10396a48cc2b50f70fbeb0ae631d0e4632899cac750924208f
title: Activity Topic DMO
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/data-cloud/data-cloud-dmo-mapping/guides/std_dmos/c360dm-si-activitytopicdmo-dmo.md
canonical_url: https://developer.salesforce.com/docs/data/data-cloud-dmo-mapping/guide/c360dm-si-activitytopicdmo-dmo.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: 41e9c01d45fe9b3da65c4de1f7fc763c189f676adcfa197b5fbe36a24f50fd53
products:
  - Data 360 DMO and Mapping Guide
  - Data 360 Developer Documentation
---
# Activity Topic DMO

## Object Properties

**Object API Name:** `ssot__ActivityTopic__dlm`  
**Category:** Unassigned  
**Availability:** Available in 254 and later versions  
**Primary Key Field:** Id  

## Relationships

- **RelatedToId** has a FOREIGNKEY relationship with the [Opportunity DMO](https://developer.salesforce.com/docs/data/data-cloud-dmo-mapping/guide/c360dm-si-opportunitydmo-dmo.md) `Id` field.
- **RelatedToId** has a FOREIGNKEY relationship with the [Case DMO](https://developer.salesforce.com/docs/data/data-cloud-dmo-mapping/guide/c360dm-si-casedmo-dmo.md) `Id` field.
- **RelatedToId** has a FOREIGNKEY relationship with the [Account DMO](https://developer.salesforce.com/docs/data/data-cloud-dmo-mapping/guide/c360dm-si-accountdmo-dmo.md) `Id` field.
- **ActivityId** has a FOREIGNKEY relationship with the [Activity DMO](https://developer.salesforce.com/docs/data/data-cloud-dmo-mapping/guide/c360dm-si-activitydmo-dmo.md) `Id` field.


## Fields

- [ActivityId](#activityid)
- [ActivityObject](#activityobject)
- [cdp_sys_record_currency](#cdp_sys_record_currency)
- [DataSourceId](#datasourceid)
- [DataSourceObjectId](#datasourceobjectid)
- [Id](#id)
- [InternalOrganizationId](#internalorganizationid)
- [KQ_ActivityId](#kq_activityid)
- [KQ_Id](#kq_id)
- [KQ_RelatedToId](#kq_relatedtoid)
- [RelatedToId](#relatedtoid)
- [RelatedToObject](#relatedtoobject)

### ActivityId

- **Field API Name:** `ssot__ActivityId__c`
- **Data Type:** TEXT
- **Description:** The identifier of an instance of an Activity subtype the Activity Topic is related to. Valid subtype values include a Task, EmailMessage, or VoiceCall.

### ActivityObject

- **Field API Name:** `ssot__ActivityObject__c`
- **Data Type:** TEXT
- **Description:** The domain object name of the Activity, for example, Task, VoiceCall or Messaging Session.

### cdp_sys_record_currency

- **Field API Name:** `ssot__cdp_sys_record_currency__c`
- **Data Type:** TEXT
- **Description:** System-generated metadata field that stores a 3-letter ISO currency code.

### DataSourceId

- **Field API Name:** `ssot__DataSourceId__c`
- **Data Type:** TEXT
- **Description:** A unique, system-generated identifier for this record.

### DataSourceObjectId

- **Field API Name:** `ssot__DataSourceObjectId__c`
- **Data Type:** TEXT
- **Description:** A unique, system-generated identifier for this record.

### Id

- **Field API Name:** `ssot__Id__c`
- **Data Type:** TEXT
- **Description:** Required. A unique, system-generated identifier for the ActivityTopic record. Maximum size is 15 characters.

### InternalOrganizationId

- **Field API Name:** `ssot__InternalOrganizationId__c`
- **Data Type:** TEXT
- **Description:** A unique, system-generated identifier for this record.

### KQ_ActivityId

- **Field API Name:** `KQ_ActivityId__c`
- **Data Type:** TEXT
- **Description:** Key Qualifier system field for ActivityId

### KQ_Id

- **Field API Name:** `KQ_Id__c`
- **Data Type:** TEXT
- **Description:** Key Qualifier system field for Id

### KQ_RelatedToId

- **Field API Name:** `KQ_RelatedToId__c`
- **Data Type:** TEXT
- **Description:** Key Qualifier system field for RelatedToId

### RelatedToId

- **Field API Name:** `ssot__RelatedToId__c`
- **Data Type:** TEXT
- **Description:** An entity the Engagement Topic is related to.

### RelatedToObject

- **Field API Name:** `ssot__RelatedToObject__c`
- **Data Type:** TEXT
- **Description:** The name of the entity the ID in the Engagement Topic Related To Id field refers to. Valid values include Opportunity, Contract, and Quote.