AWS Identity and Access Management
Using IAM (API Version 2010-05-08)
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AWS IAM Policy Reference

This section presents detailed syntax, descriptions, and examples of the elements, variables, and evaluation logic of IAM policies. It includes the following sections.


AWS is making improvements to the policy rules engine that enforce a stricter syntax. Starting in March 2015, you cannot save any policy that does not comply with the stricter rules.

To help you correct invalid policies, AWS created the Policy Validator that informs you whenever it detects an invalid policy. One click takes you to an editor that shows both the existing policy and a copy with the recommended changes. You can accept the changes or make further modifications. For more information, see Using Policy Validator.