# SecurityGroupReference
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Describes a VPC with a security group that references your security group.

## Contents
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 ** groupId **   
The ID of your security group.  
Type: String  
Required: No

 ** referencingVpcId **   
The ID of the VPC with the referencing security group.  
Type: String  
Required: No

 ** transitGatewayId **   
The ID of the transit gateway (if applicable).  
Type: String  
Required: No

 ** vpcPeeringConnectionId **   
The ID of the VPC peering connection (if applicable). For more information about security group referencing for peering connections, see [Update your security groups to reference peer security groups](https://docs.aws.amazon.com/vpc/latest/peering/vpc-peering-security-groups.html) in the *VPC Peering Guide*.  
Type: String  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ec2-2016-11-15/SecurityGroupReference) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/SecurityGroupReference) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/SecurityGroupReference)