# setImpressionListener

### Overview <a href="#markdown-header-overview" id="markdown-header-overview"></a>

Sets the impression listener (triggering [didCountImpression](../events/didcountimpression) event) for the given placement.

### Syntax <a href="#markdown-header-syntax" id="markdown-header-syntax"></a>

```javascript
setImpressionListener(placementName)
```

placementName **(REQUIRED)**

_string_ Unique name of placement. The same name will be used in addapptr.com account.

### Examples <a href="#markdown-header-examples" id="markdown-header-examples"></a>

<pre class="language-javascript"><code class="lang-javascript"><strong>RNAatkit.setImpressionListener("BannerPlacement");
</strong></code></pre>
