---
nav-title: "trace How-To"
title: "How-To"
description: "Examples for using trace"
---
# Trace
Tracing information about your app requires the "trace" module.
<snippet id='trace-require'/>

### Tracing all categories of events.
<snippet id='trace-all-categories'/>

### Tracing specific categories of events.
<snippet id='trace-specific-categories'/>

### Write your own trace message.
<snippet id='trace-message'/>