---
schema_version: "1"
id: 27ae1b3fbb7ab8684540702ee6e1f4956695a48324c22345c25e111aee027dac
title: LinkedArticle
collection: legacydeveloper
version: current
locale: en-us
portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/object_reference/sforce_api_objects_linkedarticle.md
canonical_url: https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/sforce_api_objects_linkedarticle.htm
source_site: developer.salesforce.com
content_type: documentation
content_hash: c032d49b96069521270aa36dbf8c9cad64f27145245f67c08c1512a44933ed22
description: Represents a knowledge article that is attached to a work order, work order line item, or work type. This object is available in API version 37.0 and later.
---
# LinkedArticle

Represents a knowledge article that is attached to a work order, work order line item, or work type. This object is available in API version 37.0 and later.

## Supported Calls

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

## Special Access Rules

Knowledge must be enabled in your org. Field Service must be enabled. Only users that have access to the Knowledge article and the parent record linked to it can access this object.

In Knowledge in Salesforce Classic, only Field Service objects such as Work Order, Work Type, and Work Order Line Item are supported for linked articles. In Lightning Knowledge, other social objects such as Chat, Messaging, Voice Call, and Social Post are supported for linked articles.

To call update() to attach or detach articles, enable the Read user permission on the Knowledge object and the Edit user permission on the object whose article you update. Available in API version 58.0 and later.

## Fields

| Field Name | Details |
| --- | --- |
| CurrencyIsoCode | 
Type

picklist

Properties

Create, Defaulted on create, Filter, Group, Nillable, Restricted picklist, Sort, Update

Description

Available only for orgs with the multicurrency feature enabled. Contains the ISO code for any currency allowed by the organization.



 |
| KnowledgeArticleId | 

Type

reference

Properties

Create, Filter, Group, Nillable, Sort

Description

The ID of the Knowledge article attached to the record. The label in the user interface is Knowledge Article ID.



 |
| KnowledgeArticleVersionId | 

Type

reference

Properties

Create, Filter, Group, Nillable, Sort

Description

The version of the Knowledge article attached to the record. This field lists the title of the attached version and links to the version. The label in the user interface is Article Version.

When you attach an article to a work order, that version of the article stays associated with the work order, even if later versions are published. If needed, you can detach and reattach an article to a work order to link the latest version.





 |
| LinkedEntityId | 

Type

reference

Properties

Create, Filter, Group, Nillable, Sort

Description

The ID of the record that the Knowledge article is attached to. The label in the user interface is Linked Record ID.



 |
| Name | 

Type

string

Properties

Create, Filter, Group, idLookup, Sort, Update

Description

The title of the article. The label in the user interface is Article Title.



 |
| RecordTypeId | 

Type

reference

Properties

Create, Filter, Group, Nillable, Sort, Update

Description

The ID of the article’s record type, if used. This field is only available for Lightning Knowledge.



 |
| Type | 

Type

string

Properties

Filter, Group, Nillable, Sort

Description

(Read only) The type of record that the Knowledge article is attached to. For example, work order. The label in the user interface is Linked Object Type.



 |

## Usage

Admins can customize linked articles’ page layouts, fields, validation rules, and more from the Linked Articles page in Setup.

## Associated Objects

This object has the following associated objects. Unless noted, they are available in the same API version as this object.

[LinkedArticleChangeEvent](https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/sforce_api_associated_objects_change_event.htm "A ChangeEvent 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.") (API version 62.0)

Change events are available for the object.

[LinkedArticleFeed](https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/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.

[LinkedArticleHistory](https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/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.