- URL:
 - https://[root]/content/users/[userName]/items/[itemID]/cancel
 - Methods:
 POST
Example usage
https://www.arcgis.com/sharing/rest/content/users/<userName>/items/<itemID>/cancelDescription
Cancels a multipart upload on an item. Can be called after the multipart Add Item or Update Item call is made but cannot be called after a Commit operation.
Request Parameters
| Parameter | Details | 
|---|---|
  | For a complete listing, see Common parameters.  | 
Response Properties
| Property | Details | 
|---|---|
  | Indicates if the operation was successful.  | 
  | The ID of the item whose multipart request is being canceled.  | 
JSON Response Syntax
{
 "success": true | false,
    "id":  "<item id>",
  }JSON Response Example
{
 "success": true,
    "id":  "49bf5db6340e4bccaceca5af3b2bec4b",
  }