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 9bfac0d1dd..1e21682c90 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
@@ -103,7 +103,9 @@ Use optional query parameters to specify and control the amount of data returned
 
 Name | Value| Description
 :---|:---|:---
-DateTime?sinceTimeUtc | string | Defines the time alerts are retrieved from based from `LastProccesedTimeUtc` time to current time. <br><br> **NOTE**: When not specified, all alerts generated in the last two hours are retrieved.
+DateTime?sinceTimeUtc | string | Defines the lower time bound alerts are retrieved from, based on field: <br> `LastProccesedTimeUtc` <br> The time range will be: from sinceTimeUtc time to current time. <br><br> **NOTE**: When not specified, all alerts generated in the last two hours are retrieved.
+DateTime?untilTimeUtc | string | Defines the upper time bound alerts are retrieved. <br> The time range will be: from `sinceTimeUtc` time to `untilTimeUtc` time. <br><br> **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. <br><br> Value should be set according to **ISO 8601** duration format <br> 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.<br><br> **NOTE**: When not specified, all alerts available in the time range will be retrieved.
 
 ### Request example