---
Title: Comment Content service
Added: v2.3.0
Status: Active
Last reviewed: 2018-04-12
---
# [Comment Content service](../../../lib/core/src/lib/services/comment-content.service.ts "Defined in comment-content.service.ts")
Adds and retrieves comments for nodes in Content Services.
## Class members
### Methods
- **addNodeComment**(nodeId: `string`, message: `string`): [`Observable`](http://reactivex.io/documentation/observable.html)`<`[`CommentModel`](../../../lib/core/src/lib/models/comment.model.ts)`>`
Adds a comment to a node.
- _nodeId:_ `string` - ID of the target node
- _message:_ `string` - Text for the comment
- **Returns** [`Observable`](http://reactivex.io/documentation/observable.html)`<`[`CommentModel`](../../../lib/core/src/lib/models/comment.model.ts)`>` - Details of the comment added
- **getNodeComments**(nodeId: `string`): [`Observable`](http://reactivex.io/documentation/observable.html)`<`[`CommentModel`](../../../lib/core/src/lib/models/comment.model.ts)`[]>`
Gets all comments that have been added to a node.
- _nodeId:_ `string` - ID of the target node
- **Returns** [`Observable`](http://reactivex.io/documentation/observable.html)`<`[`CommentModel`](../../../lib/core/src/lib/models/comment.model.ts)`[]>` - Details for each comment
## Details
See the Comments API section of the
[Alfresco JS API docs](https://github.com/Alfresco/alfresco-js-api/blob/master/src/alfresco-core-rest-api/docs/CommentsApi.md#addComment)
for more information about the underlying REST API.
## See also
- [Comment process service](comment-process.service.md)