> ## Documentation Index
> Fetch the complete documentation index at: https://docs.odella.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Comment Block

> Add notes or comments to your flow for better organization and understanding

## Overview

The Comment Block is a special type of block that doesn't perform any operations but serves as a way to add notes or comments to a flow. It can be used to provide additional context or explanation for a group of blocks, making the flow easier to understand. The Comment Block is always rendered behind other blocks and has a distinct appearance with customizable colors.

<Frame>
  <img src="https://mintcdn.com/odella/MNHyQg3-ZFMTYSp3/block-reference/assets/comment_light.png?fit=max&auto=format&n=MNHyQg3-ZFMTYSp3&q=85&s=899aa5105f01c701cc4e91c913bbc053" alt="Comment Block Screenshot" className="block dark:hidden" width="952" height="658" data-path="block-reference/assets/comment_light.png" />

  <img src="https://mintcdn.com/odella/MNHyQg3-ZFMTYSp3/block-reference/assets/comment_dark.png?fit=max&auto=format&n=MNHyQg3-ZFMTYSp3&q=85&s=8097fb224c8b5f14e63bc0e95b700066" alt="Comment Block Screenshot" className="hidden dark:block" width="972" height="702" data-path="block-reference/assets/comment_dark.png" />
</Frame>

## Inputs

The Comment Block does not have any inputs.

## Outputs

The Comment Block does not produce any outputs.

## Editor Settings

<ParamField path="Color" type="string" default="rgba(255,255,255,1)">
  The color of the text in the comment block.
</ParamField>

<ParamField path="Background Color" type="string" default="rgba(0,0,0,0.05)">
  The background color of the comment block.
</ParamField>

<ParamField path="Text" type="string" default="">
  The text content of the comment block. Supports Markdown syntax, allowing for rich text formatting including headings, lists, etc.
</ParamField>

## Example Usage

The Comment Block can be used to add notes or comments to a flow. For example, if you have a group of blocks performing a specific operation, you can add a Comment Block behind them to provide a brief explanation of what they do.

Additionally, you can use different colors for the text and background of different Comment Blocks to visually distinguish between different sections of your flow.

## FAQ

<AccordionGroup>
  <Accordion title="Can I use formatting in my comments?">
    Yes, the Comment Block supports Markdown syntax, allowing you to use headings, lists, bold, italic, and other formatting options.
  </Accordion>

  <Accordion title="Do Comment Blocks affect the flow execution?">
    No, Comment Blocks are purely for documentation and organization purposes. They do not affect the execution of your flow in any way.
  </Accordion>
</AccordionGroup>

## See Also

* [Markdown Guide](https://www.markdownguide.org/)
* [Flow Organization Best Practices](/workflow/overview)