> ## Documentation Index
> Fetch the complete documentation index at: https://cometchat-22654f5b-docs-rn-guide-message-privately.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# MessageComposerAction

> MessageComposerAction — CometChat documentation.

`CometChatMessageComposerAction` is a pre-defined structure for creating an attachment option in the `CometChatMessageComposer` component that the user can perform in addition to composing a message.

## Structure of CometChatMessageComposerAction

| Name         | Type               | Description                                                              |
| ------------ | ------------------ | ------------------------------------------------------------------------ |
| id           | string             | Unique identifier for the attachment option                              |
| title        | string             | Heading text for the attachment option                                   |
| titleFont    | string             | Sets all the different properties of font for the attachment option text |
| titleColor   | string             | Sets the foreground color of attachment option text                      |
| iconUrl      | string             | Asset URL for the icon to symbolize a attachment option                  |
| iconTint     | string             | Color applied to the icon of a attachment option                         |
| background   | string             | Color applied to the background of the attachment option                 |
| borderRadius | string             | Border radius applied to the layout of the attachment option             |
| onClick      | (id:number)=> void | Function invoked when user clicks on the attachment option.              |