
AWS CloudFormation introduces Fn::ForEach intrinsic function to enable template looping, allowing you to replicate resources and properties with minimal code while reducing errors and improving code review efficiency.


<div><p>This article announces the general availability of Fn::ForEach, a new CloudFormation intrinsic function that enables template looping and replication.</p><ul><li>Fn::ForEach allows replicating template sections with minimal code</li><li>Reduces human errors from manual property updates and duplications</li><li>Requires AWS::LanguageExtensions transform declaration</li><li>Works in Resources, properties, Conditions, and Outputs sections</li><li>Supports nested loops and combination with other intrinsic functions</li><li>Available in all AWS Regions where CloudFormation is supported</li></ul><p>Fn::ForEach simplifies CloudFormation template authoring by enabling efficient resource replication and reducing code duplication and errors.</p></div>


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