diff --git a/windows/security/threat-protection/windows-defender-atp/pull-alerts-using-rest-api-windows-defender-advanced-threat-protection.md b/windows/security/threat-protection/windows-defender-atp/pull-alerts-using-rest-api-windows-defender-advanced-threat-protection.md
index 4ede6cb172..563c0c0bf1 100644
--- a/windows/security/threat-protection/windows-defender-atp/pull-alerts-using-rest-api-windows-defender-advanced-threat-protection.md
+++ b/windows/security/threat-protection/windows-defender-atp/pull-alerts-using-rest-api-windows-defender-advanced-threat-protection.md
@@ -11,7 +11,7 @@ ms.pagetype: security
ms.author: macapara
author: mjcaparas
ms.localizationpriority: medium
-ms.date: 10/26/2018
+ms.date: 11/19/2018
---
# Pull Windows Defender ATP alerts using REST API
@@ -106,6 +106,7 @@ DateTime?sinceTimeUtc | string | Defines the lower time bound alerts are retriev
DateTime?untilTimeUtc | string | Defines the upper time bound alerts are retrieved.
The time range will be: from `sinceTimeUtc` time to `untilTimeUtc` time.
**NOTE**: When not specified, the default value will be the current time.
string ago | string | Pulls alerts in the following time range: from `(current_time - ago)` time to `current_time` time.
Value should be set according to **ISO 8601** duration format
E.g. `ago=PT10M` will pull alerts received in the last 10 minutes.
int?limit | int | Defines the number of alerts to be retrieved. Most recent alerts will be retrieved based on the number defined.
**NOTE**: When not specified, all alerts available in the time range will be retrieved.
+machinegroups | String | Specifies machine groups to pull alerts from .
**NOTE**: When not specified, alerts from all machine groups will be retrieved.
Example:
```https://wdatp-alertexporter-eu.securitycenter.windows.com/api/Alerts/?machinegroups=Test1&machinegroups=Test2```
### Request example
The following example demonstrates how to retrieve all the alerts in your organization.