alfresco-ng2-components/docs/core/comment-content.service.md

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---
Added: v2.3.0
Status: Active
Last reviewed: 2018-04-12
---
# Comment Content service
Adds and retrieves comments for nodes in Content Services.
## Class members
### Methods
- **addNodeComment**(nodeId: `string` = `null`, message: `string` = `null`): [`Observable<CommentModel>`](../../lib/core/models/comment.model.ts)<br/>
Adds a comment to a node.
- _nodeId:_ `string` - ID of the target node
- _message:_ `string` - Text for the comment
- **Returns** [`Observable<CommentModel>`](../../lib/core/models/comment.model.ts) - Details of the comment added
- **getNodeComments**(nodeId: `string` = `null`): [`Observable<CommentModel[]>`](../../lib/core/models/comment.model.ts)<br/>
Gets all comments that have been added to a node.
- _nodeId:_ `string` - ID of the target node
- **Returns** [`Observable<CommentModel[]>`](../../lib/core/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)