View TPM and TRM lifecycle timelines on the Gantt chart

task brazil Updated Sep 10, 2026 1 min read eaw-view-tpm-and-trm-lifecycle-timelines-in-gantt-chart.md

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

Navigate to Workspaces > Enterprise Architecture Workspace.
Open the Portfolio List view by selecting the portfolio icon [Omitted image "portfolio-icon.png"] Alt text: Portfolio icon..
Next to Business Applications, select the expand row icon ([Omitted image "ExpandIcon.png"] Alt text: Expand row icon.) and then select All.
Select All.
Select the business application that you want to view the TLM and TRM lifecycle timelines for.
Select More if you don't see the Lifecycle Timelines tab.
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.
Next to the business application and its associated application services, select the expand row icon ([Omitted image "ExpandIcon.png"] Alt text: Expand row icon.) to see the lifecycle timeline bars in the Gantt chart.

Alternatively, you can select the expand icon ([Omitted image "ExpandIcon.png"] Alt text: Expand icon.) next to the Application column header.
Open the TRM view by selecting TRM from the Show list.

[Omitted image "TRM-selected-gantt-chart.png"] Alt text: Show list displaying the TRM option.

Parent Topic:Working with Gantt chart views in EA Workspace

Working with Technology Lifecycle Management (TLM) in EA Workspace

Working with application rationalization

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---
title: View TPM and TRM lifecycle timelines on the Gantt chart
description: Use the Gantt chart to view and track Technology Lifecycle Management \(TLM\) and Technology Reference Model \(TRM\) lifecycle timelines.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/application-portfolio-management/eaw-view-tpm-and-trm-lifecycle-timelines-in-gantt-chart.html
release: brazil
topic_type: task
last_updated: "2026-09-10"
reading_time_minutes: 1
breadcrumb: [Working with Gantt chart views in EA Workspace, Managing Enterprise Architecture Workspace, Enterprise Architecture Workspace, Enterprise Architecture]
---

# View TPM and TRM lifecycle timelines on the Gantt chart

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 **Workspaces** &gt; **Enterprise Architecture Workspace**.

2.  Open the Portfolio List view by selecting the portfolio icon \[Omitted image "portfolio-icon.png"\] Alt text: Portfolio icon..

3.  Next to **Business Applications**, select the expand row icon \(\[Omitted image "ExpandIcon.png"\] Alt text: 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 \(\[Omitted image "ExpandIcon.png"\] Alt text: Expand row icon.\) to see the lifecycle timeline bars in the Gantt chart.

    Alternatively, you can select the expand icon \(\[Omitted image "ExpandIcon.png"\] Alt text: Expand icon.\) next to the Application column header.

9.  Open the TRM view by selecting **TRM** from the Show list.

    \[Omitted image "TRM-selected-gantt-chart.png"\] Alt text: Show list displaying the TRM option.


**Parent Topic:**[Working with Gantt chart views in EA Workspace](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/application-portfolio-management/eaw-work-with-gantt-chart-views.md)

**Related topics**  


[Working with Technology Reference Model \(TRM\) in EA Workspace](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/application-portfolio-management/eaw-work-with-trm.md)

[Working with Technology Lifecycle Management \(TLM\) in EA Workspace](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/application-portfolio-management/eaw-work-with-tpm.md)

[Working with application rationalization](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/application-portfolio-management/eaw-work-with-app-rat.md)