# POST /File/UndoCheckOut/

Discards the changes to the checked out files with the specified IDs, and cancels the check out.

## Request

Method | Request URI
--- | ---
POST | /API/File/UndoCheckOut/?sessionId=value

### URI Parameters

URI Parameter | Description
--- | ---
sessionId | ID of the current session.

### Request Body

Name: fileIds
Type: System.Guid[]

## Response

### Response Body

A Dundas.BI.WebApi.Models.UndoCheckOutResultData, or a status code indicating the reason for failure.

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