work-item-fields

# Azure DevOps Work Item Fields Reference (Verified)

## System Fields (All Work Item Types)

| Display Name | Reference Name | Type | Description |
|--------------|----------------|------|-------------|
| ID | System.Id | Integer | Unique identifier |
| Title | System.Title | String | Work item title |
| State | System.State | String | Current state |
| Reason | System.Reason | String | Reason for state |
| Work Item Type | System.WorkItemType | String | Bug, Task, etc. |
| Assigned To | System.AssignedTo | Identity | Person assigned |
| Created By | System.CreatedBy | Identity | Creator |
| Created Date | System.CreatedDate | DateTime | Creation timestamp |
| Changed By | System.ChangedBy | Identity | Last modifier |
| Changed Date | System.ChangedDate | DateTime | Last modified |
| Area Path | System.AreaPath | TreePath | Area classification |
| Iteration Path | System.IterationPath | TreePath | Sprint/iteration |
| Tags | System.Tags | String | Semicolon-separated |
| Description | System.Description | HTML | Rich text description |
| History | System.History | HTML | Discussion entry |
| Rev | System.Rev | Integer | Revision number |
| Board Column | System.BoardColumn | String | Kanban column |
| Board Lane | System.BoardLane | String | Swimlane |

## Common Fields by Category

### Scheduling

| Display Name | Reference Name | Type |
|--------------|----------------|------|
| Story Points | Microsoft.VSTS.Scheduling.StoryPoints | Double |
| Effort | Microsoft.VSTS.Scheduling.Effort | Double |
| Original Estimate | Microsoft.VSTS.Scheduling.OriginalEstimate | Double |
| Remaining Work | Microsoft.VSTS.Scheduling.RemainingWork | Double |
| Completed Work | Microsoft.VSTS.Scheduling.CompletedWork | Double |
| Start Date | Microsoft.VSTS.Scheduling.StartDate | DateTime |
| Finish Date | Microsoft.VSTS.Scheduling.FinishDate | DateTime |

### Priority & Severity

| Display Name | Reference Name | Values |
|--------------|----------------|--------|
| Priority | Micro