> For the complete documentation index, see [llms.txt](https://developers.getgeoflow.com/geoflow-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.getgeoflow.com/geoflow-docs/advanced/methods/checkcondition.md).

# checkCondition

### Description

This method lets you manually check a condition by passing a property name and value.

The value you pass will be checked against that property name in the visitor data properties. Either true or false will be returned in the response.

### Parameters

```vbnet
propertyName (string), propertyValue (string)
```

### Using This Method

```javascript
geoflow.checkCondition('countryCode', 'US');
```

### Output

```javascript
true (boolean) or false (boolean)
```