Cloudformation: How to Reference a DNS IP address for DHCPOptions, why does

Question

Just trying to create a simple DHCP option set to me EC2 instances have a default domain..  
  
but when i just input the ip address as a test ( not even referencing) it is telling me it wants a string  
  
  DHCPTest:  
    Type: AWS::EC2::DHCPOptions  
    Properties:   
      DomainName: test.com  
      DomainNameServers: "10.0.0.1"  
  
Value of property DomainNameServers must be of type List of String  
  
The domain name Servers will be a reference to an EC2 created IP address  
  
but i can just go into the front end and simple type in that ip address and it saves fine... i dont want to use the amazon provided DNS.. how can i create the DHCP with the ip addresses? This should be simple

Answer

\[SOLVED] Its a LIST of string, not a string. Reading Comprehension helps  
  
If anyone else runs into this, the syntax is:  
  
DomainNameServers:  
        - !getAtt AdInstance.PrivateIp

works, needs to be listed with the dashes  
  
Edited by: JWhitcomb-AWS on Jun 17, 2019 9:52 AM  
  
Edited by: JWhitcomb-AWS on Jun 17, 2019 9:53 AM  
  
Edited by: JWhitcomb-AWS on Jun 17, 2019 9:53 AM

Cloudformation: How to Reference a DNS IP address for DHCPOptions, why does

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