what is IAM policies structure in AWS ?

 An IAM (Identity and Access Management) policy is a document that defines permissions for an AWS resource. The policy is written in JSON format and consists of one or more statements. Each statement includes an action, a resource, and a condition. The action defines the type of access that is being granted, the resource defines which AWS resource the action applies to, and the condition defines when the action is allowed.

The basic structure of an IAM policy is as follows:

{ "Version": "2012-10-17", "Statement": [ { "Effect": "Allow/Deny", "Action": [ "action1", "action2" ], "Resource": [ "resource1", "resource2" ], "Condition": { "condition1": "value1", "condition2": "value2" } } ] }

In this example, the policy has a single statement that allows (or denies) the specified actions on the specified resources, subject to the specified conditions.