---
title: Log Message workflow activity
description: The Log Message activity writes a message to the workflow log.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/servicenow-platform/workflow-activities/r\_LogMessageActivity.html
release: australia
product: Workflow Activities
classification: workflow-activities
topic_type: reference
last_updated: "2026-03-12"
reading_time_minutes: 1
breadcrumb: [Utility workflow activities, Workflow activities reference, Workflow activities, Classic Workflow, ServiceNow AI Platform Additional Capabilities, Extend ServiceNow AI Platform capabilities]
---

# Log Message workflow activity

The **Log Message** activity writes a message to the workflow log.

Use this activity to add entries to the workflow's log for debugging or tracing purposes.

## Input variables

Input variables determine the initial behavior of the activity.

|Field|Description|
|-----|-----------|
|Message|The message to log. This variable can be a string or a JavaScript expression that evaluates to a string.|