---
sourceDocument: Australia Operational Technology Management
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/operational-technology

 Release :

    - australia

ft:locale :

    - en-US

ft:publication_title :

    - Australia Operational Technology Management

ft:clusterId :

    - optm

bundleId :

    - optm

workflow :

    - Technology


---

# Operational Technology Manager (OT) configuration item extension classes

# Operational Technology Manager (OT) configuration item extension
classes {#ariaid-title1}

Release version: Australia  
Updated March 12, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Operational Technology Manager uses Operational Technology (OT) configuration item (CI) extension classes that extend the CMDB class hierarchy as shown in the following figure.  
Figure 1. OT CI extension classes equals OT devices   

Operational Technology Manager includes class descriptions, identification
rules, identifier entries, and dependent relationships, if applicable. The Service Graph applications use these class extensions to populate CIs and discover
various technologies and software. To learn more, see [Operation Technology (OT) extension
classes](https://www.servicenow.com/docs/access?context=cmdb-ci-class-models-operation-technology&version=australia&pubname=australia-servicenow-platform&ft:locale=en-US).