---
sourceDocument: Australia IT Operations Management
sourceDocumentLink: https://www.servicenow.com/docs/r/australia/it-operations-management

 Release :

    - australia

ft:locale :

    - en-US

ft:publication_title :

    - Australia IT Operations Management

ft:clusterId :

    - itom

bundleId :

    - itom

workflow :

    - Technology


---

# Stop extraction of unneeded log data

# Stop extraction of unneeded log data in Health Log Analytics {#ariaid-title1}

Release version: Australia  
Updated March 12, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
If an extracted string of data is not descriptive enough or contains redundant text or information, you can set Health Log Analytics to stop extracting such data from your logs.

## Before you begin

For an overview of mapping, see [Log data auto-mapping and mapping in Health Log Analytics](https://www.servicenow.com/docs/ca23q7K2mlrnuXJdirOTvg "By default, the HLA Engine tries to auto-map every incoming log line to the correct tags. You can change automatic mapping results manually by defining a JavaScript function.").

Role required: evt_mgmt_admin

## Procedure

1. Navigate to AllHealth Log AnalyticsMappingExcluded values.
2. Select New.
3. In the Value to exclude field, enter the string that you want Health Log Analytics to stop extracting.
4. **Optional:** Further specify the values to stop extracting by selecting additional options:  
   * Starts with
   * Ends with
   * Contains
   * Case sensitive
   {#hla-log-data-exclude__ul_dfn_rm4_3nb}
5. **Optional:** In the Description field, add a description of the value.
6. Select Submit.

*[\>]: and then