Explanation:
This is the complete list of Intrinsic Functions…: Fn::Base64, Fn::And, Fn::Equals, Fn::If, Fn::Not, Fn::Or, Fn::FindInMap, Fn::GetAtt, Fn::GetAZs, Fn::Join, Fn::Select
Reference:
http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intri…