Related information

---
title: Related information
description: Find more information about the OT extension classes and related applications.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/operational-technology/operational-technology-change-management/otcm-related-information.html
release: brazil
product: Operational Technology Change Management
classification: operational-technology-change-management
topic_type: reference
last_updated: "2026-09-10"
reading_time_minutes: 1
breadcrumb: [Reference, Operational Technology Change Management, Operational Technology]
---

# Related information

Find more information about the OT extension classes and related applications.

## Extension classes overview

The extension classes help you understand how Operational Technology Management works with the Configuration Management Database \(CMDB\).

-   **[Operational Technology \(OT\) extension classes](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/servicenow-platform/cmdb-ci-class-models-operation-technology.md)**

    The Configuration Management Database \(CMDB\) updates classes for OT.


## Related applications

-   **[IT Service Management](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/it-service-management/r_ITServiceManagement.md)**

    When integrated with Operational Technology Change Management, the ServiceNow IT Service Management application enables engineers to resolve OT device and production process issues quickly.


**Parent Topic:**[Operational Technology Change Management reference](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/operational-technology/operational-technology-change-management/oper-tech-change-management-reference.md)