{
  "Type" : "Custom::TestLambdaCrossStackRef",
  "Properties" : {
    "ServiceToken": { "Fn::Join": [ "", [ "arn:aws:lambda:", { "Ref": "AWS::Region" }, ":", { "Ref": "AWS::AccountId" }, ":function:", {"Ref" : "LambdaFunctionName"} ] ] },
    "StackName": {
      "Ref": "NetworkStackName"
    }
  }
}