---
sourceDocument: Brazil Enterprise Architecture
sourceDocumentLink: https://www.servicenow.com/docs/r/application-portfolio-management

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    - brazil

ft:locale :

    - en-US

ft:publication_title :

    - Brazil Enterprise Architecture

ft:clusterId :

    - appportman

bundleId :

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workflow :

    - Technology


---

# View TPM and TRM lifecycle timelines on the Gantt chart

# View TPM and TRM lifecycle timelines on the Gantt chart {#ariaid-title1}

Release version: Brazil  
Updated September 10, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Use the Gantt chart to view and track Technology Lifecycle Management (TLM) and Technology Reference Model (TRM) lifecycle timelines.

## Before you begin

Role required: sn_apm.apm_analyst  
Note:  
The lifecycle data for software products is displayed only when the Software Asset Management (SAM) Foundation or Software Asset Management (SAM) Professional plugin is installed.

## Procedure

1. Navigate to WorkspacesEnterprise Architecture Workspace.
2. Open the Portfolio List view by selecting the portfolio icon ![Portfolio icon.]().
3. Next to Business Applications, select the expand row icon (![Expand row icon.]()) and then select All.
4. Select All.
5. Select the business application that you want to view the TLM and TRM lifecycle timelines for.
6. Select More if you don't see the Lifecycle Timelines tab.
7. Select Lifecycle Timelines.  
   The Gantt chart appears for TLM and shows the business applications along with their application services.  
   Note:  
   By default, the TLM view is displayed.
8. Next to the business application and its associated application services, select the expand row icon (![Expand row icon.]()) to see the lifecycle timeline bars in the Gantt chart.  
   Alternatively, you can select the expand icon (![Expand icon.]()) next to the Application column header.
9. Open the TRM view by selecting TRM from the Show list.  
**Related concepts**   

* [Working with Technology Reference Model (TRM) in EA Workspace](https://www.servicenow.com/docs/13O_khp~9nspQq~IuQ_n1w "The Technology Reference Model provides a structured, centralized view of all technology products; hardware, software, and platforms used across the enterprise.")
* [Working with Technology Lifecycle Management (TLM) in EA Workspace](https://www.servicenow.com/docs/QZgJBCUxBuSWk73MNnk9ew "Technology Lifecycle Management provide visibility, governance, and actionable insights into the technologies used across the enterprise.")
* [Working with application rationalization](https://www.servicenow.com/docs/bk6xOCXl2HO5tyEFQFGONQ "Application rationalization helps enterprise architects evaluate, optimize, and govern the business application portfolio with clarity and strategic intent. Application rationalization is a structured process to assess all business applications by category, capability, or family and determine whether to invest, sustain, migrate, or retire.")

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