title: Add LambdaFunctionAssociation to existing CloudFront distribution with CloudFormation
body: <p>I want to add LambdaFunctionAssociation to my existing CloudFront which is created manually
  <a href="https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cloudfront-distribution-lambdafunctionassociation.html" rel="nofollow noreferrer">lambdafunctionassociation</a></p>
  
  <p>Thanks in advance.</p>