--- title: Define default style rules description: Define style rules from the Default Style Rules module to apply them to all change schedules rather than to a specific application. locale: en-US canonical_url: https://www.servicenow.com/docs/r/it-service-management/change-management/def-stl-rules-from-stl-rules-table.html release: brazil product: Change Management classification: change-management topic_type: task last_updated: "2026-09-10" reading_time_minutes: 1 breadcrumb: [Style rules definition, Change schedules, Configure, Change Management, IT Service Management] --- # Define default style rules Define style rules from the Default Style Rules module to apply them to all change schedules rather than to a specific application. ## Before you begin Role required: itil, sn\_chg\_soc.change\_soc\_admin, sn\_change\_role, sn\_change\_write, or admin ## Procedure 1. Navigate to **All** > **Change** > **Schedule** > **Default Style Rules**. 2. On the Style Rule page, select **New**. 3. On the form, fill in the fields.
| Field | Description |
|---|---|
| Name | Name of the style rule. |
| Conditions | Conditions that determine when the style rule applies. For example, show a red span when **Risk** is **High**. |
| Active | Check box that, when selected, makes the style rule active. |
| Styling | |
| Advanced | Check box that, when selected, lets you write a script to set the label color, label weight, and event color.If you do not select the check box, the **Label color**, **Label weight**, and the **Event color** fields appear. |
| Label color | Color of the text that is displayed for each record on the timeline that matches the style rule. |
| Label weight | Thickness of the label, such as normal or bold. |
| Event color | Color of the schedule span displayed for each record on the timeline that matches the style rule. |