# Comment Editor window reference

> Use the Comment Editor window in Unity Studio to add or edit comments that contain text, sketches, or files.

To add a new comment, select **Comment** in the toolbar and select an area in the **Scene View**. The **Comment Editor** window opens.

To edit an existing comment, select the comment in the scene or in the **Comment thread** window, then select **Edit** from the options menu (**...** icon) for the comment.


**Comment Editor window in Unity Studio.:**
![Comment Editor window that has a text field to add text, and multiple buttons to add sketches, spatial markers, or files.](/api/media?file=/unity-studio/media/images/comment_editor_window.png)

## Comment input area overview

The comment input area allows you to add and edit comment text, plus add sketches or files to your comments.

| **Property**                     | **Description**                                                                                                                                                                                                                                                                      |
| -------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| **Reply**                        | Enter or edit the text of your comment. The other options in this table only show when you enter text in this field.                                                                                                                                                                 |
| **Attach file** (paperclip icon) | Attach a file to your comment. Files can be up to 25 MB and can be in any format. When you select this option, it opens a file browser where you can attach files from your local device. You need to add text to the comment before you can submit a comment with an attached file. |
| **Attach Spatial Marker**        | Attach one or multiple spatial markers to your comment. This allows you to link your comment to specific locations in the 3D scene. After you select this option, select a location in the scene to place the marker. Select multiple times to place multiple markers.               |
| **Edit Sketch** (pencil icon)    | Add or edit a sketch for your comment. This opens the sketch editor, where you can use the drawing tools to create your sketch. To draw, click and drag in the scene.                                                                                                                |
| **Post** (⬆ icon button)         | Post your comment to the scene. This option only shows for new comments. For existing comments, select **Save** (checkmark icon) to save your changes.                                                                                                                               |

## Sketch toolbar overview

The sketch toolbar allows you to create sketches and annotations to attach to your comments.

This toolbar only appears when you select **Edit Sketch**. The toolbar at the bottom of the Scene view includes the following options:

| **Property**    | **Description**                                                                                                                                                                                    |
| --------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Size**        | Change the thickness of your sketch lines. Drag to the right to increase the thickness, and to the left to decrease it.                                                                            |
| **Brush Color** | Change the color of your sketch lines. Select to choose a color from the color wheel.                                                                                                              |
| **Opacity**     | Change how transparent your sketch lines are. Drag to the right to increase the opacity, and to the left to decrease it.                                                                           |
| **Accept**      | Save your sketch and exit Sketch mode. The sketch saves and appears as a file attachment on your comment. Make sure to select **Post** to submit your annotation, otherwise you lose your changes. |
| **Cancel**      | Cancel your sketch and exit Sketch mode.                                                                                                                                                           |

## Additional resources

* [Introduction to annotations](annotations_intro)
* [Add and manage comments](/unity-studio/collab/annotations/add-manage-comments.md)
* [Comments window reference](comment-inspector)
* [Comment thread window reference](/unity-studio/collab/annotations/comment-thread.md)