---
sourceDocument: Yokohama IT Operations Management
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/yokohama/it-operations-management

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama IT Operations Management

ft:clusterId :

    - itom

bundleId :

    - itom

workflow :

    - Technology


---

# Application services in Event Management

# Application services in Event Management {#ariaid-title1}

* Release version: Yokohama
* 
* Updated January 30, 2025
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

An application service is a set of interconnected applications and hosts which are
configured to offer a service to the organization.

For general information on application services, see [Application services](https://www.servicenow.com/docs/access?context=application-services&version=yokohama&pubname=yokohama-servicenow-platform&ft:locale=en-US).
* **[Manually create an application service in Event Management](https://servicenow-prod.fluidtopics.net/TqaLrTRklBJgxGqv3u8kPA)**   
  You can manually create an application services. Event Management can use application services to monitor service performance and identify health issues.
* **[Convert manual services to application services](https://servicenow-prod.fluidtopics.net/60Xnp0BQSeh4GhaN1akcqw)**   
  You can convert existing manual services to application services. Event Management can use application services to monitor service performance and identify health issues.
* **[Convert manual services to application services using API](https://servicenow-prod.fluidtopics.net/lIcE1L3lPQJxeGTpXxhxCA)**   
  You can use a JavaScript API to convert existing manual services to application services. Event Management can use application services to monitor service performance and identify health issues.
* **[Configuring CIs in a manual service as a manual cluster](https://servicenow-prod.fluidtopics.net/quUvdiVYyMm_4aNGPNMMPA)**   
  Configure or modify a CI as a specific CI or a generic CI class in a manual service (that was not discovered automatically) as a manually defined cluster. A manual cluster delivers redundancy capabilities in the cluster and provides continued operations or services of the entire cluster in case of failure of one or more CIs in that cluster.
* **[Create an alert query](https://servicenow-prod.fluidtopics.net/PjtOeeTH0oari3U9nk3Y~g)**   
  An alert query is a set of alerts that meet specific criteria for a particular service.
* **[Create a service group](https://servicenow-prod.fluidtopics.net/n2PXaaeLA9wb_rieXwNAWg)**   
  Create service groups to combine similar services. Organize services by groups to perform actions simultaneously on multiple services and to control user access to services.
* **[Assign a role to a service group](https://servicenow-prod.fluidtopics.net/awYQP_w2DufdEqul~UnSAw)**   
  Assign an Event Management role to the application service group to ensure that group members can manage and act on alerts.
* **[Activate and configure Service Mapping for top-down discovery](https://servicenow-prod.fluidtopics.net/Sa51WHQfJAmFMZCPRWGLyw)**   
  A top-down discovery provides a list of CIs and their interrelationships. This information is useful for managing software services and hardware issues that are associated with alerts.
* **[Configure email notification on application service severity change](https://servicenow-prod.fluidtopics.net/FcaMDhN5QmylGjYdfdaCpQ)**   
  Configure an email notification to notify users when there is an application service severity change.