CloudFormation, passing a List<AWS::EC2::Subnet::Id> parameter as a comma separated string?
问题 How can I pass a parameters of type List<AWS::EC2::Subnet::Id> as a comma separated string? I have the following template: { "AWSTemplateFormatVersion": "2010-09-09", "Parameters": { "PrivateSubnets": { "Description": "The private subnets in which Beanstalk EC2 instances will created", "Type": "List<AWS::EC2::Subnet::Id>" }, "PublicSubnets": { "Description": "The public subnets in which the Beanstalk ELBs will be created", "Type": "List<AWS::EC2::Subnet::Id>" } }, "Resources": { "MyApp": {