Answers: <p>As the error message states, TargetGroupARNs value should be of type List. <a href="https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-targetgrouparns" rel="nofollow noreferrer">https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-targetgrouparns</a></p>
  
Answers: CC BY-SA 4.0
Answers: 2020-08-06T07:10:56.210Z
Answers: 2020-08-06T07:10:56.210Z
Answers: Simbiot
Body: <p>I am trying to use cloudformation to setup a ASG and I have a target group which I would like to associate with the ASG. The target group is created okay but when I go to attach it to the ASG I get an error message. I'd like to be able to attach this as I want a ALB in front of the ASG</p>
  
Tags: <amazon-web-services><aws-cloudformation>
Title: Issue with cloudformation in target groups and ASG
UserDisplayName: Turnip
ThreadText: # Issue with cloudformation in target groups and ASG
  
  (Asked by: username_0 on 2020-08-06)
  
  I am trying to use cloudformation to setup a ASG and I have a target group which I would like to associate with the ASG. The target group is created okay but when I go to attach it to the ASG I get an error message. I'd like to be able to attach this as I want a ALB in front of the ASG
  
  **Tags:** amazon-web-services, aws-cloudformation
  
  
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  ## 1 answers
  
  ### Answer by username_1 on 2020-08-06. Score: 1 | Accepted answer
  
  As the error message states, TargetGroupARNs value should be of type List. <https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-targetgrouparns>
  
  
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