> ## Documentation Index
> Fetch the complete documentation index at: https://primer.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# setListener

Set the `PrimerHeadlessUniversalCheckoutRawDataManagerListener` in order to receive different callbacks from Primer SDK.

```kotlin KOTLIN theme={"dark"}
fun setListener(listener: PrimerHeadlessUniversalCheckoutRawDataManagerListener)
```

## Parameters

<Expandable title="Parameters" defaultOpen>
  <ResponseField name="listener" type="PrimerHeadlessUniversalCheckoutRawDataManagerListener" required>
    Set Primer SDK's [Raw Data Manager Listener](/sdk/android/v2.x.x/primer-headless-checkout/raw-data-manager-listener/PrimerHeadlessUniversalCheckoutRawDataManagerListener) and implement the required methods.
  </ResponseField>
</Expandable>