---
schema_version: "1"
id: fc5753ddd3810f1ce41c022bf45ef2525923d55c66f65be4774f640d49c0cd64
title: ResearchStudyRelation
collection: legacydeveloper
version: current
locale: en-us
portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/life_sciences_dev_guide/sforce_api_objects_researchstudyrelation.md
canonical_url: https://developer.salesforce.com/docs/atlas.en-us.life_sciences_dev_guide.meta/life_sciences_dev_guide/sforce_api_objects_researchstudyrelation.htm
source_site: developer.salesforce.com
content_type: documentation
content_hash: 039082c69d3ad6cf5e3e81b5cc0420587ab1e5677374e0346d2a9427f61e7e67
description: Represents different related research studies. This object is available in API version 61.0 and later.
---
# ResearchStudyRelation

Represents different related research studies. This object is available in API version 61.0 and later.

## Supported Calls

create(), delete(), describeLayout(), describeSObjects(), getDeleted(), getUpdated(), query(), retrieve(), search(), undelete(), update(), upsert()

## Fields

### LastReferencedDate

- **Type**: dateTime
- **Properties**: Filter, Nillable, Sort
- **Description**: The timestamp for when the current user last viewed a record related to this record.

### LastViewedDate

- **Type**: dateTime
- **Properties**: Filter, Nillable, Sort
- **Description**: The timestamp for when the current user last viewed this record. If this value is null, it’s possible that this record was referenced (LastReferencedDate) and not viewed.

### Name

- **Type**: string
- **Properties**: Autonumber, Defaulted on create, Filter, idLookup, Sort
- **Description**: The name of the research study relation.

### RelatedResearchStudyId

- **Type**: reference
- **Properties**: Create, Filter, Group, Sort, Update
- **Description**: The smaller research study that's a part of the larger study.
    
    This field is a relationship field.
- **Relationship Name**: RelatedResearchStudy
- **Refers To**: ResearchStudy

### ResearchStudyId

- **Type**: reference
- **Properties**: Create, Filter, Group, Sort
- **Description**: The larger research study that the smaller study is a part of.
    
    This field is a relationship field.
- **Relationship Name**: ResearchStudy
- **Relationship Type**: Master-detail
- **Refers To**: ResearchStudy (the master object)

## Associated Objects

This object has the following associated objects. If the API version isn’t specified, they’re available in the same API versions as this object. Otherwise, they’re available in the specified API version and later.

[ResearchStudyRelationChangeEvent](https://developer.salesforce.com/docs/atlas.en-us.life_sciences_dev_guide.meta/life_sciences_dev_guide/sforce_api_associated_objects_change_event.htm "A StandardObjectNameChangeEvent object is available for each object that supports Change Data Capture. You can subscribe to a stream of change events using Change Data Capture to receive data tied to record changes in Salesforce. Changes include record creation, updates to an existing record, deletion of a record, and undeletion of a record. A change event isn’t a Salesforce object—it doesn’t support CRUD operations or queries. It’s included in the object reference so you can discover which Salesforce objects support change events.")

Change events are available for the object.

[ResearchStudyRelationFeed](https://developer.salesforce.com/docs/atlas.en-us.life_sciences_dev_guide.meta/life_sciences_dev_guide/sforce_api_associated_objects_feed.htm "StandardObjectNameFeed is the model for all feed objects associated with standard objects. These objects represent the posts and feed-tracked changes of a standard object.")

Feed tracking is available for the object.

[ResearchStudyRelationHistory](https://developer.salesforce.com/docs/atlas.en-us.life_sciences_dev_guide.meta/life_sciences_dev_guide/sforce_api_associated_objects_history.htm "StandardObjectNameHistory is the model for all history objects associated with standard objects. These objects represent the history of changes to the values in the fields of a standard object.")

History is available for tracked fields of the object.