CreateGrant

The following example shows an AWS CloudTrail log entry for the CreateGrant operation. For information about creating grants in AWS KMS, see Grants in AWS KMS.

CloudTrail log entries for this operation recorded on or after December 2022 include the key ARN of the affected KMS key in the responseElements.keyId value, even though this operation does not return the key ARN.

The following example shows a CreateGrant log entry for a grant with an encryption context constraint.

{
  "eventVersion": "1.02",
  "userIdentity": {
      "type": "IAMUser",
      "principalId": "EX_PRINCIPAL_ID",
      "arn": "arn:aws:iam::111122223333:user/Alice",
      "accountId": "111122223333",
      "accessKeyId": "EXAMPLE_KEY_ID",
      "userName": "Alice"
  },
  "eventTime": "2014-11-04T00:53:12Z",
  "eventSource": "kms.amazonaws.com",
  "eventName": "CreateGrant",
  "awsRegion": "us-east-1",
  "sourceIPAddress": "192.0.2.0",
  "userAgent": "AWS Internal",
  "requestParameters": {
      "keyId": "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab",
      "constraints": {
          "encryptionContextSubset": {
              "ContextKey1": "Value1"
          }
      },
      "operations": [
        "Encrypt",
        "RetireGrant"
      ],
      "granteePrincipal": "service-name.amazonaws.com"
  },
  "responseElements": {
      "grantId": "f020fe75197b93991dc8491d6f19dd3cebb24ee62277a05914386724f3d48758",
      "keyId":"arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
  },
  "requestID": "f3c08808-63bc-11e4-bc2b-4198b6150d5c",
  "eventID": "5d529779-2d27-42b5-92da-91aaea1fc4b5",
  "readOnly": false,
  "resources": [{
      "ARN": "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab",
      "accountId": "111122223333"
  }],
  "eventType": "AwsApiCall",
  "recipientAccountId": "111122223333"
}

The following example shows a CreateGrant log entry for a service principal grant. This grant uses the GranteeServicePrincipal parameter to specify an AWS service principal as the grantee, and includes a SourceArn grant constraint.

{
  "eventVersion": "1.08",
  "userIdentity": {
      "type": "IAMUser",
      "principalId": "EX_PRINCIPAL_ID",
      "arn": "arn:aws:iam::111122223333:user/Alice",
      "accountId": "111122223333",
      "accessKeyId": "EXAMPLE_KEY_ID",
      "userName": "Alice"
  },
  "eventTime": "2026-03-04T18:22:45Z",
  "eventSource": "kms.amazonaws.com",
  "eventName": "CreateGrant",
  "awsRegion": "us-east-1",
  "sourceIPAddress": "192.0.2.0",
  "userAgent": "AWS Internal",
  "requestParameters": {
      "keyId": "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab",
      "constraints": {
          "sourceArn": "arn:aws:dynamodb:us-east-1:111122223333:table/ExampleTable"
      },
      "operations": [
        "Encrypt",
        "Decrypt",
        "GenerateDataKey"
      ],
      "granteeServicePrincipal": "service-name.amazonaws.com",
      "retiringServicePrincipal": "service-name.amazonaws.com"
  },
  "responseElements": {
      "grantId": "a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1b2",
      "keyId":"arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
  },
  "requestID": "a1b2c3d4-5678-90ab-cdef-EXAMPLE11111",
  "eventID": "a1b2c3d4-5678-90ab-cdef-EXAMPLE22222",
  "readOnly": false,
  "resources": [{
      "ARN": "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab",
      "accountId": "111122223333"
  }],
  "eventType": "AwsApiCall",
  "recipientAccountId": "111122223333"
}