public String getVpnConnectionArn() {
        return this.vpnConnectionArn;
    }
<p>
The ARN identifying the VPN attachment.
</p>

@return The ARN identifying the VPN attachment.
aws-java-sdk-networkmanager/src/main/java/com/amazonaws/services/networkmanager/model/CreateSiteToSiteVpnAttachmentRequest.java