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::MediaLive::Channel TeletextSourceSettings
<a name="aws-properties-medialive-channel-teletextsourcesettings"></a>

Information about the Teletext captions to extract from the input.

The parent of this entity is CaptionSelectorSettings.

## Syntax
<a name="aws-properties-medialive-channel-teletextsourcesettings-syntax"></a>

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

### JSON
<a name="aws-properties-medialive-channel-teletextsourcesettings-syntax.json"></a>

```
{
  "[OutputRectangle](#cfn-medialive-channel-teletextsourcesettings-outputrectangle)" : {{CaptionRectangle}},
  "[PageNumber](#cfn-medialive-channel-teletextsourcesettings-pagenumber)" : {{String}}
}
```

### YAML
<a name="aws-properties-medialive-channel-teletextsourcesettings-syntax.yaml"></a>

```
  [OutputRectangle](#cfn-medialive-channel-teletextsourcesettings-outputrectangle): {{
    CaptionRectangle}}
  [PageNumber](#cfn-medialive-channel-teletextsourcesettings-pagenumber): {{String}}
```

## Properties
<a name="aws-properties-medialive-channel-teletextsourcesettings-properties"></a>

`OutputRectangle`  <a name="cfn-medialive-channel-teletextsourcesettings-outputrectangle"></a>
Settings to configure the caption rectangle for an output captions that will be created using this Teletext source captions.  
*Required*: No  
*Type*: [CaptionRectangle](aws-properties-medialive-channel-captionrectangle.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`PageNumber`  <a name="cfn-medialive-channel-teletextsourcesettings-pagenumber"></a>
Specifies the Teletext page number within the data stream from which to extract captions. The range is 0x100 (256) to 0x8FF (2303). This is unused for passthrough. It should be specified as a hexadecimal string with no "0x" prefix.  
*Required*: No  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS CloudFormation. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query AWSCloudFormation` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).