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::MWAA::Environment NetworkConfiguration
<a name="aws-properties-mwaa-environment-networkconfiguration"></a>

The VPC networking components used to secure and enable network traffic between the AWS resources for your environment. To learn more, see [About networking on Amazon MWAA](https://docs.aws.amazon.com/mwaa/latest/userguide/networking-about.html).

## Syntax
<a name="aws-properties-mwaa-environment-networkconfiguration-syntax"></a>

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

### JSON
<a name="aws-properties-mwaa-environment-networkconfiguration-syntax.json"></a>

```
{
  "[SecurityGroupIds](#cfn-mwaa-environment-networkconfiguration-securitygroupids)" : [ String, ... ],
  "[SubnetIds](#cfn-mwaa-environment-networkconfiguration-subnetids)" : [ String, ... ]
}
```

### YAML
<a name="aws-properties-mwaa-environment-networkconfiguration-syntax.yaml"></a>

```
  [SecurityGroupIds](#cfn-mwaa-environment-networkconfiguration-securitygroupids): 
    - String
  [SubnetIds](#cfn-mwaa-environment-networkconfiguration-subnetids): 
    - String
```

## Properties
<a name="aws-properties-mwaa-environment-networkconfiguration-properties"></a>

`SecurityGroupIds`  <a name="cfn-mwaa-environment-networkconfiguration-securitygroupids"></a>
A list of one or more security group IDs. Accepts up to 5 security group IDs. A security group must be attached to the same VPC as the subnets. To learn more, see [Security in your VPC on Amazon MWAA](https://docs.aws.amazon.com/mwaa/latest/userguide/vpc-security.html).  
*Required*: No  
*Type*: Array of String  
*Minimum*: `1`  
*Maximum*: `5`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`SubnetIds`  <a name="cfn-mwaa-environment-networkconfiguration-subnetids"></a>
A list of subnet IDs. **Required** to create an environment. Must be private subnets in two different availability zones. A subnet must be attached to the same VPC as the security group. To learn more, see [About networking on Amazon MWAA](https://docs.aws.amazon.com/mwaa/latest/userguide/networking-about.html).  
*Required*: No  
*Type*: Array of String  
*Minimum*: `2`  
*Maximum*: `2`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)