- URL:
 - https://[root]/content/items/[itemID]/addComment
 - Methods:
 POST
Example Usage
URL for Add Comment
https://www.arcgis.com/sharing/rest/content/items/a50b5179b49a4256a248c7b5ffb82dd7/addComment
Comment=This map is very accurate. I was able to find the right bike route to my destination.Description
Add a new comment or reply to an existing comment on an item (POST only). Available only to authenticated users who have access to the item.
A comment can only have one level of replies, reply to a reply comment is not supported. An email notification is sent to the item owner automatically as well as everyone on the thread if it is a reply when a comment is added.
Request Parameters
| Parameter | Details | 
|---|---|
  | For a complete listing, see Common parameters.  | 
  | Add comment text to item.  | 
  | (optional) The ID of the parent comment if it is a reply.  | 
Response Properties
| Property | Details | 
|---|---|
  | Set to true if the comment was posted successfully.  | 
  | The ID of the comment submitted.  | 
JSON Response Syntax
{
  "success": true | false,
  "commentId": "<comment id>"
}JSON Response Example
{
  "success": true,
  "commentId": "722286f355424f5bb87f95464d216bac"
}