Identifies references to undefined Liquid [objects](/docs/api/liquid/objects).

## Examples

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

### ✗ Fail


```liquid
{% assign greetings = "Hello" %}
{% if greeting == "Hello" %}

{{ articl }}
{{ prodcut }}
```


### ✓ Pass


```liquid
{% assign greetings = "Hello" %}
{% if greetings == "Hello" %}

{{ article }}
{{ product }}
```


## Options

```yaml
UndefinedObject:
  enabled: true
  severity: warning
```

| Parameter | Description |
| --- | --- |
| `enabled` | Whether this 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.