> ## 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.

# setCheckoutListener

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

```kotlin KOTLIN theme={"dark"}
fun setCheckoutListener(
  listener: PrimerHeadlessUniversalCheckoutListener
)
```

## Parameters

<Expandable title="Parameters" defaultOpen>
  <ResponseField name="listener" type="PrimerHeadlessUniversalCheckoutListener" required>
    Set Primer SDK's [Headless Checkout Listener](/sdk/android/v2.x.x/primer-headless-checkout/listeners/PrimerHeadlessUniversalCheckoutListener) and implement the required methods.
  </ResponseField>
</Expandable>