--- title: Configure a ringtone for critical alerts description: Select a preferred ringtone for your critical notifications in the ITSM Mobile Agent application. locale: en-US canonical_url: https://www.servicenow.com/docs/r/it-service-management/itsm-mobile-agent/configure-a-customized-ringtone-for-critical-alerts.html release: brazil product: ITSM Mobile Agent classification: itsm-mobile-agent topic_type: task last_updated: "2026-09-10" reading_time_minutes: 1 keywords: [ringtone] breadcrumb: [Enable critical alerts in Do Not Disturb mode, Configuring ITSM Mobile Agent, ITSM Mobile Agent, IT Service Management] --- # Configure a ringtone for critical alerts Select a preferred ringtone for your critical notifications in the ITSM Mobile Agent application. ## Before you begin Role required: admin ## Procedure 1. Navigate to **All** > **System Definition** > **Script Includes**. 2. Search for and select `CriticalPushPayloadBuilder` from the list of scripts. Verify that the selected `CriticalPushPayloadBuilder` script is in the **ITSM Mobile Agent** application scope. 3. Open the `CriticalPushPayloadBuilder` record and edit the script with your preferred ringtone name: ``` var CriticalPushPayloadBuilder = Class.create(); CriticalPushPayloadBuilder.prototype = { initialize: function(currentGR, json, attributes) { this.currentGR = currentGR; this.json = json; this.attributes = attributes; }, buildJSON: function() { if (this.attributes == null || this.attributes.isCritical == null || !(this.attributes.isCritical == "true")) return this.json; this.json["sncGoogleKeys"] = { "android": { "priority": "high" }, "priority": "high" }; this.json["aps"]["sound"] = { "critical": 1, "name": "NotificationAlert-9-Short.caf", "volume": 1 }; return this.json; }, type: 'CriticalPushPayloadBuilder' }; ``` You can select one of the following ringtones: - `NotificationAlert-1.caf` - `NotificationAlert-2.caf` - `NotificationAlert-3.caf` - `NotificationAlert-4.caf` - `NotificationAlert-5.caf` - `NotificationAlert-6.caf` - `NotificationAlert-7.caf` - `NotificationAlert-8.caf` - `NotificationAlert-9.caf` - `NotificationAlert-10.caf` - `NotificationAlert-11.caf` - `NotificationAlert-12.caf` - `NotificationAlert-13.caf` - `NotificationAlert-14.caf` 4. Select **Update**.