Dans CloudFormation, comment puis-je ajouter une liste? Essayé:Comment ajouter une liste dans CloudFormation
!Join [ ",", [ !Ref ListParam, !Ref StringParam ]]
mais nous avons eu une erreur:
A client error (ValidationError) occurred when calling the
ValidateTemplate operation: Template error: every Fn::Join object
requires two parameters, (1) a string delimiter and (2) a list of
strings to be joined or a function that returns a list of strings
(such as Fn::GetAZs) to be joined.