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---
title: Logging
description: Enable logging to inspect events while building your site.
categories: [troubleshooting]
keywords: []
menu:
docs:
parent: troubleshooting
weight: 30
weight: 30
toc: true
---
## Command line
Enable console logging with the `--logLevel` command line flag.
Hugo has four logging levels:
error
: Display error messages only.
```sh
hugo --logLevel error
```
warn
: Display warning and error messages.
```sh
hugo --logLevel warn
```
info
: Display information, warning, and error messages.
```sh
hugo --logLevel info
```
debug
: Display debug, information, warning, and error messages.
```sh
hugo --logLevel debug
```
{{% note %}}
If you do not specify a logging level with the `--logLevel` flag, warnings and errors are always displayed.
{{% /note %}}
## Template functions
You can also use template functions to print warnings or errors to the console. These functions are typically used to report data validation errors, missing files, etc.
{{< list-pages-in-section path=/functions/fmt filter=functions_fmt_logging filterType=include >}}
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