This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::Chatbot::CustomAction CustomActionDefinition
<a name="aws-properties-chatbot-customaction-customactiondefinition"></a>

**Note**  
AWS Chatbot is now Amazon Q Developer. [Learn more](https://docs.aws.amazon.com//chatbot/latest/adminguide/service-rename.html)  
`Type` attribute values remain unchanged.

The definition of the command to run when invoked as an alias or as an action button.

## Syntax
<a name="aws-properties-chatbot-customaction-customactiondefinition-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-chatbot-customaction-customactiondefinition-syntax.json"></a>

```
{
  "[CommandText](#cfn-chatbot-customaction-customactiondefinition-commandtext)" : String
}
```

### YAML
<a name="aws-properties-chatbot-customaction-customactiondefinition-syntax.yaml"></a>

```
  [CommandText](#cfn-chatbot-customaction-customactiondefinition-commandtext): String
```

## Properties
<a name="aws-properties-chatbot-customaction-customactiondefinition-properties"></a>

`CommandText`  <a name="cfn-chatbot-customaction-customactiondefinition-commandtext"></a>
The command string to run which may include variables by prefixing with a dollar sign (\$1).  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `5000`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)