private static void RevokeGrant(KmsClient kmsClient) { try { var request = new CancelGrantRequest { VersionId = "v1.0", Body = new RevokeGrantRequestBody { KeyId = GetKeyByStatus.GetKeyByKeyStatus(kmsClient, "2"), GrantId = CreateGrant(kmsClient) } }; var resp = kmsClient.CancelGrant(request); Console.WriteLine(resp); } catch (RequestTimeoutException requestTimeoutException) { Console.WriteLine(requestTimeoutException.ErrorMessage); } catch (ServiceResponseException clientRequestException) { Console.WriteLine(clientRequestException.HttpStatusCode); Console.WriteLine(clientRequestException.ErrorCode); Console.WriteLine(clientRequestException.ErrorMsg); } catch (ConnectionException connectionException) { Console.WriteLine(connectionException.ErrorMessage); } }