diff --git a/windows/threat-protection/windows-defender-atp/api-portal-mapping-windows-defender-advanced-threat-protection.md b/windows/threat-protection/windows-defender-atp/api-portal-mapping-windows-defender-advanced-threat-protection.md
index f43d377e58..aed9911efb 100644
--- a/windows/threat-protection/windows-defender-atp/api-portal-mapping-windows-defender-advanced-threat-protection.md
+++ b/windows/threat-protection/windows-defender-atp/api-portal-mapping-windows-defender-advanced-threat-protection.md
@@ -27,42 +27,52 @@ Understand what data fields are exposed as part of the alerts API and how they m
## Alert API fields and portal mapping
Field numbers match the numbers in the images below.
-| Portal label | SIEM field name | ArcSight field| Example value |Description |
+| Portal label | SIEM field name | ArcSight field| Example value |Description |
|--------------|---------------------------|---------------------|------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------|
-| 1 | AlertTitle | name | A dll was unexpectedly loaded into a high integrity process without a UAC prompt | |
-| 2 | Severity | deviceSeverity | Medium | |
-| 3 | Category | deviceEventCategory | Privilege Escalation | |
-| 4 | Source | sourceServiceName | WindowsDefenderATP | WindowsDefenderAV/WindowsDefenderATP |
-| 5 | MachineName | sourceHostName | liz-bean | |
-| 6 | FileName | fileName | Robocopy.exe | Available for alerts associated with a file/process |
-| 7 | FilePath | filePath | C:\Windows\System32\Robocopy.exe | Available for alerts associated with a file/process |
-| 8 | UserDomain | sourceNtDomain | contoso | The domain of the user context executing the activity, available for Windows Defender ATP behavioral beased alerts |
-| 9 | UserName | sourceUserName | liz-bean | The user context executing the activity, available for Windows Defender ATP behavioral based alerts |
-| 10 | Sha1 | fileHash | 5b4b3985339529be3151d331395f667e1d5b7f35 | Available for alerts associated with a file/process |
-| 11 | Md5 | deviceCustomString5 | 55394b85cb5edddff551f6f3faa9d8eb | Available for Windows Defender AV alerts, |
-| 12 | Sha256 | deviceCustomString6 | 9987474deb9f457ece2a9533a08ec173a0986fa3aa6ac355eeba5b622e4a43f5 | Available for Windows Defender AV alerts |
-| 13 | ThreatName | eviceCustomString1 | Trojan:Win32/Skeeyah.A!bit | Available for Windows Defender AV alerts |
-| 14 | IpAddress | sourceAddress | 218.90.204.141 | Availabe for alerts associated to network events. E.g. 'Communication to a malicious network destination' |
-| 15 | Url | requestUrl | down.esales360.cn | Availabe for alerts associated to network events. E.g. 'Communication to a malicious network destination' |
-| 16 | RemediationIsSuccess | deviceCustomNumber2 | TRUE | Available for Windows Defender AV alerts, ArcSight value is 1 when TRUE, 0 when FALSE |
-| 17 | WasExecutingWhileDetected | deviceCustomNumber1 | FALSE | Available for Windows Defender AV alerts, ArcSight value is 1 when TRUE, 0 when FALSE |
-| 18 | AlertId | externalId | 636210704265059241_673569822 | |
-| 19 | LinkToWDATP | flexString1 | https://securitycenter.windows.com/alert/636210704265059241_673569822 | |
-| 20 | AlertTime | deviceReceiptTime | 2017-05-07T01:56:59.3191352Z | The time the activity relevant to the alert occurred |
-| 21 | MachineDomain | sourceDnsDomain | contoso.com | Domain name not relevant for AAD join machines |
-| 22 | Actor | deviceCustomString4 | | Available for alerts related to a known actor group |
-| * | LogOnUsers | sourceUserId | contoso\liz-bean; contoso\jay-hardee | The domain + user of the interactive logon user/s at the time of the event. Note: for Redstone 1 machines, domain would not be available. |
-| 21+5 | ComputerDnsName | No mapping | liz-bean.contoso.com | The machine fully qualified domain name |
+| 1 | AlertTitle | name | A dll was unexpectedly loaded into a high integrity process without a UAC prompt | Value available for every alert. |
+| 2 | Severity | deviceSeverity | Medium | Value available for every alert. |
+| 3 | Category | deviceEventCategory | Privilege Escalation | Value available for every alert. |
+| 4 | Source | sourceServiceName | WindowsDefenderATP | Windows Defender Antivirus or Windows Defender ATP.
Value available for every alert. |
+| 5 | MachineName | sourceHostName | liz-bean | Value available for every alert. |
+| 6 | FileName | fileName | Robocopy.exe | Available for alerts associated with a file or process. |
+| 7 | FilePath | filePath | C:\Windows\System32\Robocopy.exe | Available for alerts associated with a file or process. |
+| 8 | UserDomain | sourceNtDomain | contoso | The domain of the user context running the activity, available for Windows Defender ATP behavioral based alerts. |
+| 9 | UserName | sourceUserName | liz-bean | The user context running the activity, available for Windows Defender ATP behavioral based alerts. |
+| 10 | Sha1 | fileHash | 5b4b3985339529be3151d331395f667e1d5b7f35 | Available for alerts associated with a file or process. |
+| 11 | Md5 | deviceCustomString5 | 55394b85cb5edddff551f6f3faa9d8eb | Available for Windows Defender AV alerts. |
+| 12 | Sha256 | deviceCustomString6 | 9987474deb9f457ece2a9533a08ec173a0986fa3aa6ac355eeba5b622e4a43f5 | Available for Windows Defender AV alerts. |
+| 13 | ThreatName | eviceCustomString1 | Trojan:Win32/Skeeyah.A!bit | Available for Windows Defender AV alerts. |
+| 14 | IpAddress | sourceAddress | 218.90.204.141 | Available for alerts associated to network events. For example, 'Communication to a malicious network destination' |
+| 15 | Url | requestUrl | down.esales360.cn | Availabe for alerts associated to network events. For example, 'Communication to a malicious network destination'. |
+| 16 | RemediationIsSuccess | deviceCustomNumber2 | TRUE | Available for Windows Defender AV alerts. ArcSight value is 1 when TRUE and 0 when FALSE. |
+| 17 | WasExecutingWhileDetected | deviceCustomNumber1 | FALSE | Available for Windows Defender AV alerts. ArcSight value is 1 when TRUE and 0 when FALSE. |
+| 18 | AlertId | externalId | 636210704265059241_673569822 | Value available for every alert. |
+| 19 | LinkToWDATP | flexString1 | `https://securitycenter.windows.com/alert/636210704265059241_673569822` | Value available for every alert. |
+| 20 | AlertTime | deviceReceiptTime | 2017-05-07T01:56:59.3191352Z | The time the activity relevant to the alert occurred.
Value available for every alert. |
+| 21 | MachineDomain | sourceDnsDomain | contoso.com | Domain name not relevant for AAD joined machines. Value available for every alert. |
+| 22 | Actor | deviceCustomString4 | | Available for alerts related to a known actor group. |
+| 21 | ComputerDnsName | No mapping | liz-bean.contoso.com | The machine fully qualified domain name.
Value available for every alert. |
+| * | LogOnUsers | sourceUserId | contoso\liz-bean; contoso\jay-hardee | The domain and user of the interactive logon user/s at the time of the event. Note: For machines on Windows 10 version 1607, the domain information will not be available. |
+| Internal field | LastProcessedTimeUtc | No mapping | 2017-05-07T01:56:58.9936648Z | Time when event arrived at the backend. This field can be used when setting the request parameter for the range of time that alerts are retrieved. |
+| | Not part of the schema | deviceVendor | | Static value in the ArcSight mapping - 'Microsoft'. |
+| | Not part of the schema | deviceProduct | | Static value in the ArcSight mapping - 'Windows Defender ATP'. |
+| | Not part of the schema | deviceVersion | | Static value in the ArcSight mapping - '2.0', used to identify the mapping versions.|
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## Related topics
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