Discourages using [deprecated tags](/docs/api/liquid/tags/theme-tags) in themes. Deprecated tags have their own unique implementation within this check. For example the `include` tag is deprecated but is still used in themes. This check looks for the `include` tag and provides a message that it's deprecated.

## Examples

The following examples contain code snippets that either fail or pass this check:

### ✗ Fail


```liquid
{% include 'snippet' %}
```


### ✓ Pass


```liquid
{% render 'snippet' %}
```




## Options

The following example contains the default configuration for this check:

```yaml
DeprecatedTag:
  enabled: true
  severity: warning
```

| Parameter | Description |
| --- | --- |
| `enabled` | Whether the check is enabled. |
| `severity` | The [severity](https://shopify.dev/themes/tools/theme-check/configuration#check-severity) of the check. |

## Disabling this check

Disabling this check isn't recommended.

## Aliases

For backward compatibility with configuration files made for Theme Check `v1.X.X`, this check is also recognized in configuration files with the following name:

- `DeprecatedTags`