--- title: Create a category or subcategory description: Create an Operational Technology incident category or subcategory that you want to use to classify incidents. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/operational-technology/operational-technology-incident-management/add-category-or-subcategory.html release: australia product: Operational Technology Incident Management classification: operational-technology-incident-management topic_type: task last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Incident categories and subcategories, Configure, Operational Technology Incident Management, Operational Technology] --- # Create a category or subcategory Create an Operational Technology incident category or subcategory that you want to use to classify incidents. ## Before you begin - Set the application scope to **Operational Technology Incident Management**. - Role required: admin or sn\_ot\_incident\_admin ## Procedure 1. Navigate to **All** > **System Definition** > **Choice Lists**. 2. To create a category, do these actions: 1. Select **New**. 2. In the **Element** field, enter the word `category`. 3. In the **Label** field, enter the category name. 4. In the **Value** field, enter the category value. 5. In the **Sequence** field, enter the sequence number. 6. Select **Submit**. 3. To add a new subcategory, do these actions: 1. Select **New**. 2. In the **Element** field, enter the word `subcategory`. 3. In the **Label** field, enter the subcategory name. 4. In the **Value** field, enter the subcategory value. 5. In the **Sequence** field, enter the sequence number. 6. If the subcategory belongs to an existing category, add the category value to the **Dependent value** field. 7. Select **Submit**. ## Result The new category or subcategory is available to select on an Operational Technology incident record. **Parent Topic:**[Incident categories and subcategories](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/operational-technology/operational-technology-incident-management/ot-incident-categories-subcategories.md)