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::EC2::LocalGatewayVirtualInterfaceGroup

Describes a local gateway virtual interface group.
## Syntax

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

```
{
 "Type" : "AWS::EC2::LocalGatewayVirtualInterfaceGroup",
 "Properties" : {
 "[LocalBgpAsn](#cfn-ec2-localgatewayvirtualinterfacegroup-localbgpasn)" : {{Integer}},
 "[LocalBgpAsnExtended](#cfn-ec2-localgatewayvirtualinterfacegroup-localbgpasnextended)" : {{Integer}},
 "[LocalGatewayId](#cfn-ec2-localgatewayvirtualinterfacegroup-localgatewayid)" : {{String}},
 "[Tags](#cfn-ec2-localgatewayvirtualinterfacegroup-tags)" : {{[ Tag, ... ]}}
 }
}
```
### YAML

```
Type: AWS::EC2::LocalGatewayVirtualInterfaceGroup
Properties:
 [LocalBgpAsn](#cfn-ec2-localgatewayvirtualinterfacegroup-localbgpasn): {{Integer}}
 [LocalBgpAsnExtended](#cfn-ec2-localgatewayvirtualinterfacegroup-localbgpasnextended): {{Integer}}
 [LocalGatewayId](#cfn-ec2-localgatewayvirtualinterfacegroup-localgatewayid): {{String}}
 [Tags](#cfn-ec2-localgatewayvirtualinterfacegroup-tags): {{
 - Tag}}
```
## Properties

`LocalBgpAsn` 
The Autonomous System Number(ASN) for the local Border Gateway Protocol (BGP). 
*Required*: No 
*Type*: Integer 
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
`LocalBgpAsnExtended` 
The extended 32-bit ASN for the local BGP configuration. 
*Required*: No 
*Type*: Integer 
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
`LocalGatewayId` 
The ID of the local gateway. 
*Required*: Yes 
*Type*: String 
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
`Tags` 
The tags assigned to the virtual interface group. 
*Required*: No 
*Type*: Array of [Tag](aws-properties-ec2-localgatewayvirtualinterfacegroup-tag.md) 
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
## Return values

### Ref

When you pass the logical ID of this resource to the intrinsic `Ref` function, `Ref` returns the ID of the local gateway virtual interface group. For example:
 `{ "Ref": "lgw-vif-grp-07145b276bEXAMPLE" }` 
For more information about using the `Ref` function, see [https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/intrinsic-function-reference-ref.html](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/intrinsic-function-reference-ref.html).
### Fn::GetAtt

The `Fn::GetAtt` intrinsic function returns a value for a specified attribute of this type. The following are the available attributes and sample return values.
For more information about using the `Fn::GetAtt` intrinsic function, see [https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/intrinsic-function-reference-getatt.html](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/intrinsic-function-reference-getatt.html).
#### 

`ConfigurationState` 
The current state of the local gateway virtual interface group.
`LocalGatewayVirtualInterfaceGroupArn` 
The Amazon Resource Number (ARN) of the local gateway virtual interface group.
`LocalGatewayVirtualInterfaceGroupId` 
The ID of the virtual interface group.
`LocalGatewayVirtualInterfaceIds` 
The IDs of the virtual interfaces.
`OwnerId` 
The ID of the AWS account that owns the local gateway virtual interface group.</div><div class="naked_ctrl">
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