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# AWS::Greengrass::FunctionDefinition DefaultConfig
<a name="aws-properties-greengrass-functiondefinition-defaultconfig"></a>

<a name="aws-properties-greengrass-functiondefinition-defaultconfig-description"></a>The default configuration that applies to all Lambda functions in the function definition version. Individual Lambda functions can override these settings.

<a name="aws-properties-greengrass-functiondefinition-defaultconfig-inheritance"></a> In an Amazon CloudFormation template, `DefaultConfig` is a property of the [https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/aws-properties-greengrass-functiondefinition-functiondefinitionversion.html](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/aws-properties-greengrass-functiondefinition-functiondefinitionversion.html) property type.

## Syntax
<a name="aws-properties-greengrass-functiondefinition-defaultconfig-syntax"></a>

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

### JSON
<a name="aws-properties-greengrass-functiondefinition-defaultconfig-syntax.json"></a>

```
{
  "[Execution](#cfn-greengrass-functiondefinition-defaultconfig-execution)" : {{Execution}}
}
```

### YAML
<a name="aws-properties-greengrass-functiondefinition-defaultconfig-syntax.yaml"></a>

```
  [Execution](#cfn-greengrass-functiondefinition-defaultconfig-execution): {{
    Execution}}
```

## Properties
<a name="aws-properties-greengrass-functiondefinition-defaultconfig-properties"></a>

`Execution`  <a name="cfn-greengrass-functiondefinition-defaultconfig-execution"></a>
Configuration settings for the Lambda execution environment on the Amazon IoT Greengrass core.  
*Required*: Yes  
*Type*: [Execution](aws-properties-greengrass-functiondefinition-execution.md)  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

## See also
<a name="aws-properties-greengrass-functiondefinition-defaultconfig--seealso"></a>
+ [FunctionDefaultConfig](https://docs.amazonaws.cn/greengrass/v1/apireference/definitions-functiondefaultconfig.html) in the * Amazon IoT Greengrass Version 1 API Reference *
+  [Amazon IoT Greengrass Version 1 Developer Guide](https://docs.amazonaws.cn/greengrass/v1/developerguide/)