Cloudformation cross stack security group with exported GroupId

Cloudformation cross stack security group with exported GroupId

AWSTemplateFormatVersion: '2010-09-09'
Description: 'Cross stack security group'
Resources:
  egress1:
    Type: AWS::EC2::SecurityGroupEgress
    Properties:
      CidrIp: 0.0.0.0/0
      GroupId:
        Ref: sgTESTY22
      IpProtocol: '-1'
  ingress1:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      CidrIp: 192.168.0.0/16
      FromPort: '22'
      GroupId:
        Ref: sgTESTY22
      IpProtocol: tcp
      ToPort: '22'
  ingress2:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      CidrIp: 172.16.0.0/12
      FromPort: '22'
      GroupId:
        Ref: sgTESTY22
      IpProtocol: tcp
      ToPort: '22'
  ingress3:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      CidrIp: 10.0.0.0/8
      FromPort: '22'
      GroupId:
        Ref: sgTESTY22
      IpProtocol: tcp
      ToPort: '22'
  sgTESTY22:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: SSH available to local networks
      Tags:
      - Key: Name
        Value: TESTY-22
      VpcId: vpc-f0c46a95

Outputs:
  sgTESTY22:
    Description: TESTY22 group security GroupId
    Value: 
      !GetAtt
        - sgTESTY22
        - GroupId
    Export:
      Name: !Sub "${AWS::StackName}-SecurityGroupID"