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# AWS::Lex::Bot ExternalSourceSetting
<a name="aws-properties-lex-bot-externalsourcesetting"></a>

Provides information about the external source of the slot type's definition.

## Syntax
<a name="aws-properties-lex-bot-externalsourcesetting-syntax"></a>

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

### JSON
<a name="aws-properties-lex-bot-externalsourcesetting-syntax.json"></a>

```
{
  "[GrammarSlotTypeSetting](#cfn-lex-bot-externalsourcesetting-grammarslottypesetting)" : GrammarSlotTypeSetting
}
```

### YAML
<a name="aws-properties-lex-bot-externalsourcesetting-syntax.yaml"></a>

```
  [GrammarSlotTypeSetting](#cfn-lex-bot-externalsourcesetting-grammarslottypesetting): 
    GrammarSlotTypeSetting
```

## Properties
<a name="aws-properties-lex-bot-externalsourcesetting-properties"></a>

`GrammarSlotTypeSetting`  <a name="cfn-lex-bot-externalsourcesetting-grammarslottypesetting"></a>
Settings required for a slot type based on a grammar that you provide.  
*Required*: No  
*Type*: [GrammarSlotTypeSetting](aws-properties-lex-bot-grammarslottypesetting.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)