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Query work items by link or attachment count

TFS 2017 | TFS 2015 | TFS 2013

You can link work items to track related work and dependencies and attach files to share information with your team. You can then list work items based on one or more of the following fields:

  • Attachment File Count
  • (Discussion) Comment Count
  • External Link count
  • Hyperlink Count
  • Link Comment
  • Related Link Count

For descriptions of each of these fields, see the table provided later in this article.

Supported operators and macros

Query clauses that specify an integer field can use the operators listed below.

= , <> , > , < , >= , <= ,
=[Field], <>[Field], >[Field], <[Field], >=[Field], <=[Field],
In, Not In,
Was Ever

You can filter for work items by the link type, link count, or attachment count.


Filter for

Include these query clauses


Items with attachments

Attached File Count >= 1


Items with two or more hyperlinks

Hyperlink Count >= 2


Items containing external links, links to objects other than work items

External Link Count >= 1


Items that contain between three and seven related links

Related Link Count >= 3 And Related Link Count <= 7


List hierarchical items in a tree view

Add a query and select Tree of work items to begin your query. You should see something similar to the following examples:

Note

You can't construct a query that shows a hierarchical view of Test Plans, Test Suites, and Test Cases. These items aren't linked together using parent-child link types. However, you can create a Direct links query that lists test-related work items. Also, you can, view the hierarchy through the Test>Test Plans page.

From there, you can add query clauses or change the filter options for linked work items.

Filter for

Include these query clauses

View only child items of work item 645

Add to Filters for top-level work items:
ID = 645

Tasks or bugs

Add to Filters for linked work items:
Work Item Type In Task,Bug

Items assigned to my team (Web)

Add to both top and bottom filters:
Assigned to In Group [Fabrikam Fiber]\Web

Parent items of tasks assigned to me

Change Filter options to Match linked work items first
Add to Filters for linked work items:
Assigned To = @Me

List items based on linked dependents

The following example shows a dependent linked query that returns items with dependencies on work managed by other teams and projects.

The following query finds work items in all projects that are linked to work items under the Fabrikam area path and project using Predecessor and Successor link types.

Screenshot of Query Editor, Work items, and direct links, Web portal.

Why this works:

  • Checking the Query across projects checkbox enables all dependent linked work items that match the filter criteria to be listed, no matter which project they belong to.

  • Specifying the Area Path Under Fabrikam clause indicates to find only work items that are linked to work items defined under the Fabrikam project.

  • Specifying Only return items that have matching links, and Return selected link types causes the query to return only work items that are linked based on the Predecessor and Successor link types.

List orphan user stories

If you typically organize your user stories under features, you can quickly find user stories that are orphan by opening the product backlog, enable Parents On view option, and scroll down to the section that lists Unparented Stories (Agile) or Unparented Backlog items (Scrum).

List orphan stories or backlog items

Or, you can find unparented backlog items using a Work items and direct links query. For example, the following query lists active user stories for the Azure DevOps team that don't have a Parent link.

Screenshot of Query Editor, Work items, and direct links, Web portal, unparented user stories.

The following table describes fields associated with links and attachments. Most of these fields don't appear within the work item form, but are tracked for all work item types.

Field name

Description

Work item type


Attachment File Count

The number of files attached to the work item and stored in the work item tracking database.
Reference Name=System.AttachedFileCount, Data type=Integer

Note

For Azure Boards (cloud service), you can add up to 100 attachments to a work item. Attempts to add more result in an error message upon saving the work item.

All

Comment Count

The number of comments added to the Discussion section of the work item.
Reference Name=System.CommentCount, Data type=Integer

Note

Available for TFS 2017 with the new work item form which supports the Discussion section and later versions.

All

The number of links from the work item to artifacts that are not work items. such as pull requests, commits, changesets, or other link types.
Reference Name=System.ExternalLinkCount, Data type=Integer

All

The number of hyperlinks that are defined for the work item.

Reference Name=System.HyperLinkCount, Data type=Integer

All

Link Comment

Contains comments from the team member who created the link. You can configure this field to appear as a column in a list of links on a work item form. (Not supported in query editor.)

Reference Name=System.Links.Comment, Data type=PlainText

All

Link Description

Contains the work item type, ID, and title of the work item that is the target of the link. You can configure this field to appear as a column in a list of links on a work item form. (Not supported in query editor.)

Reference Name=System.Links.Description, Data type=PlainText

All

When included as a column option in a backlog or query results list, the Title of the parent work item is displayed. Internally, the system stores the ID of the work item within an Integer field.

Note

The Parent field is available from Azure DevOps Server 2020 and later versions. You can't specify this field within a query clause. Reference Name=System.Parent, Data type=Integer

All

All

All

You can view related work items and object within a work item form by installing the Work item visualization extension available from the Visual Studio Marketplace, Azure DevOps tab.

To add link types, see Manage link types [witadmin].

All tabs that support creating links between work items are implemented by using the LinksControl element on the work item form. This element controls filtering and restricting the types of work items to which you can link, the types of links that you can create, and whether you can link to work items in another project. To customize the link controls and restrictions, you modify the definition of the LinksControlOptions for a work item type, see LinksControlOptions XML elements.

You can add or remove columns from the list of links, and you can customize the default columns and the column order. For more information, see LinksControlOptions XML elements.