--- title: Add or delete tag keys for Tag Categorization description: Tag keys define the values available within a tag category. Add or delete tag keys to keep your tag categorization structure current as data management and classification requirements change. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/it-operations-management/tag-governance/update-tag-keys-tag-categorization.html release: australia product: Tag Governance classification: tag-governance topic_type: task last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Use, Tag Governance, ITOM Visibility, IT Operations Management] --- # Add or delete tag keys for Tag Categorization Tag keys define the values available within a tag category. Add or delete tag keys to keep your tag categorization structure current as data management and classification requirements change. ## Before you begin Verify that you have installed version 1.16.3 of Service Mapping Plus to access to the CI tag category and CI tag key tables. For more information, see [Install Service Mapping Plus](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/service-mapping/install-service-mapping-plus.md). Role required: tag\_governance\_admin ## Procedure 1. Navigate to **All** > **Tag Governance** > **Tag Categories**. 2. Verify that you're in the leaf domain. 1. In the page header, select the globe icon \(\[Omitted image "globe-icon.png"\]\). 2. Select **Domain scope**, and choose the appropriate leaf domain. 3. Select the tag category to which you want to add or delete tag keys. 4. Under **CI tag keys**, either add a tag key or delete an existing tag key.
Action Steps
**Add a tag key** 1. Double-click the empty row under **Tag key**, where you see **Insert a new row**. 2. In the field, add a key name. 3. Select the check mark icon \(\[Omitted image "icon-check-mark.png"\] Alt text: Check mark\) to save the tag key. 4. Repeat the previous steps to add more tag keys. 5. Select **Update** to save your changes.
**Delete a tag key** 1. Under **Tag key**, select the delete icon \(\[Omitted image "marked-for-deletion.png"\] Alt text:\) next to the tag key you want to remove. 2. Select **Update** to save your changes.
5. If you want to apply your changes immediately rather than waiting for the automatic update within 24 hours, select the **Re-Categorize Tags** button.