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This section presents detailed syntax, descriptions, and examples of the elements, variables, and evaluation logic of IAM policies. It includes the following sections.
IAM Policy Elements Reference — This section describes each of the elements that you can use when you create a policy. It includes additional policy examples and describes conditions, supported data types, and how they are used in various services.
IAM Policy Variables Overview — This section describes placeholders that you can specify in a policy that are replaced during policy evaluation with values from the request.
Creating a Condition That Tests Multiple Key Values (Set Operations) — This section describes how to create policies for requests in which a request key includes multiple items that you need to test against a set of values.
IAM Policy Evaluation Logic — This section describes AWS requests, how they are authenticated, and how AWS uses policies to determine access to resources.