---
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 TRM phase

# Add or edit a TRM phase {#ariaid-title1}

Release version: Yokohama  
Updated January 30, 2025  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Define your own TRM phase or edit an existing
TRM phase.

## Before you begin

Important:  
Starting with the Xanadu release, the legacy Technology Reference Model module is moved to the Enterprise Architecture Workspace. To learn more, see [Configure TRM phases](https://www.servicenow.com/docs/eb5jj3MtBPC854j~Q_D2uQ "A Technology Reference Model (TRM) phase refers to a specific stage in the lifecycle of an application within the organization’s TRM framework.").
The user must be part of the Enterprise Architect Group.

Role required: sn_apm.apm_analyst

## About this task

The color and shape of a phase are used to represent the phase of the TRM product.

## Procedure

1. Navigate to AllEnterprise ArchitectureTechnology Reference ModelPhases.
2. Create or edit a TRM phase.
   * To create a TRM phase, select New.
   * To edit an existing TRM phase, select the name of the phase.

   The following TRM phases are available
   from the base system:
   * Approved: The technology is approved for use.
   * Approved with Constraints: The technology can be used within the specified constraints specified in the comments.
   * Divest: A decision was taken to divest from the use of the technology.
   * Evaluation: This technology is being evaluated and can't be used to production purposes.
   * Unapproved: The technology isn't permitted to be used.
   {#define-trm-phases__ul_ghz_pcg_d5b}
3. On the form, fill in the fields.  
   For field information, see [TRM Phase form](https://www.servicenow.com/docs/rJ2geRk_fs7d87EGRXt9iA "Define your own TRM phase or edit an existing TRM phase.").
4. Select Submit or Update.

*[\>]: and then