---
sourceDocument: Yokohama Enterprise Architecture (formerly Application Portfolio Management)
sourceDocumentLink: https://www.servicenow.com/docs/r/yokohama/application-portfolio-management

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Enterprise Architecture (formerly Application Portfolio Management)

ft:clusterId :

    - appportman

bundleId :

    - appportman

workflow :

    - Technology


---

# Add or edit a data domain from the Portfolio page

# Add or edit a data domain from the Portfolio page {#ariaid-title1}

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

Create or edit a data domain to relate an information object to the database catalog of a database instance to collect the physical data.

## Before you begin

Although an Enterprise Architecture user (sn_apm.apm_user) can view a data domain, the access control on the Data Domain \[sn_apm_data_domain\] table is limited to its different users.

*
  * The Enterprise Architecture analyst and Enterprise Architecture administrator with sn_apm.apm_admin role have create, write, and delete privileges.
  * The Enterprise Architecture user with the sn_apm.apm_user role has read access only.
  {#eaw-add-or-edit-a-data-domain-from-the-portfolio-page__ul_jyf_kxj_ybc}
{#eaw-add-or-edit-a-data-domain-from-the-portfolio-page__ul_pq5_jxj_ybc}

Role required: sn_apm.apm_admin

## Procedure

1. Navigate to WorkspaceEnterprise Architecture Workspace.
2. Open the Portfolio List view by selecting the Portfolio icon ![Portfolio icon]().
3. Select the expand row icon (![Expand Row icon]()) next to Information Portfolio.
4. Select Data Domains.
5. Add or edit a data domain.  
   * To add a data domain, select New.
   * To update details of an existing data domain, select the data domain.
   {#eaw-add-or-edit-a-data-domain-from-the-portfolio-page__ul_pvm_pdv_xbc}
6. On the form, fill in the fields.  
   For field information, see [Data Domain form](https://www.servicenow.com/docs/UTJ3_5EVD1Bi2XwKuQMywA "Define and manage a data domain to organize related information objects within a hierarchical structure. Data domains help categorize data discovered in database catalogs by ServiceNow Discovery. A data catalog lists all the catalog objects, or databases, discovered for an instance of a database.").
7. Select Save.  
   You can also create data domains from the Setup page of Enterprise Architecture Workspace. For information, see [Add or edit an information data domain](https://www.servicenow.com/docs/QiuF_O2pzIMk3EHp_i9p1Q "Create or edit an information data domain to logically group related information objects and govern how information is organized and linked to underlying data sources across business applications.").

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