# CloudTrailEventContext
<a name="CloudTrailEventContext"></a>

**Description**: This service linked role allows CloudTrail to get and add resource tags to the resource owner's CloudTrail events.

`CloudTrailEventContext` is an [AWS managed policy](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_managed-vs-inline.html#aws-managed-policies).

## Using this policy
<a name="CloudTrailEventContext-how-to-use"></a>

This policy is attached to a service-linked role that allows the service to perform actions on your behalf. You cannot attach this policy to your users, groups, or roles.

## Policy details
<a name="CloudTrailEventContext-details"></a>
+ **Type**: Service-linked role policy 
+ **Creation time**: May 15, 2025, 13:52 UTC 
+ **Edited time:** May 15, 2025, 13:52 UTC
+ **ARN**: `arn:aws:iam::aws:policy/aws-service-role/CloudTrailEventContext`

## Policy version
<a name="CloudTrailEventContext-version"></a>

**Policy version:** v1 (default)

The policy's default version is the version that defines the permissions for the policy. When a user or role with the policy makes a request to access an AWS resource, AWS checks the default version of the policy to determine whether to allow the request. 

## JSON policy document
<a name="CloudTrailEventContext-json"></a>

```
{
  "Version" : "2012-10-17",
  "Statement" : [
    {
      "Sid" : "CloudTrailEventContextPermissionForTag",
      "Effect" : "Allow",
      "Action" : "tag:GetResources",
      "Resource" : "*",
      "Condition" : {
        "StringEquals" : {
          "aws:ResourceAccount" : "${aws:PrincipalAccount}"
        }
      }
    },
    {
      "Sid" : "AllowEventBridgeRuleCreation",
      "Effect" : "Allow",
      "Action" : "events:PutRule",
      "Resource" : "arn:aws:events:*:*:rule/CloudTrailEventContext*",
      "Condition" : {
        "ForAllValues:StringEquals" : {
          "events:source" : "aws.tag"
        },
        "StringEquals" : {
          "events:creatorAccount" : "${aws:PrincipalAccount}",
          "events:detail-type" : "Tag Change on Resource",
          "events:ManagedBy" : "context.cloudtrail.amazonaws.com"
        }
      }
    },
    {
      "Sid" : "AllowEventBridgeRuleWrite",
      "Effect" : "Allow",
      "Action" : [
        "events:PutTargets",
        "events:DeleteRule",
        "events:RemoveTargets"
      ],
      "Resource" : "arn:aws:events:*:*:rule/CloudTrailEventContext*",
      "Condition" : {
        "StringEquals" : {
          "events:creatorAccount" : "${aws:PrincipalAccount}",
          "events:ManagedBy" : "context.cloudtrail.amazonaws.com"
        }
      }
    },
    {
      "Sid" : "AllowEventBridgeRuleRead",
      "Effect" : "Allow",
      "Action" : [
        "events:DescribeRule",
        "events:ListTargetsByRule"
      ],
      "Condition" : {
        "StringEquals" : {
          "events:creatorAccount" : "${aws:PrincipalAccount}"
        }
      },
      "Resource" : "arn:aws:events:*:*:rule/CloudTrailEventContext*"
    },
    {
      "Sid" : "AllowEventBridgeRuleList",
      "Effect" : "Allow",
      "Action" : [
        "events:ListRules"
      ],
      "Resource" : "*"
    }
  ]
}
```

## Learn more
<a name="CloudTrailEventContext-learn-more"></a>
+ [Understand versioning for IAM policies](https://docs.aws.amazon.com//IAM/latest/UserGuide/access_policies_managed-versioning.html)
+ [Get started with AWS managed policies and move toward least-privilege permissions](https://docs.aws.amazon.com//IAM/latest/UserGuide/best-practices.html#bp-use-aws-defined-policies)