[android-components](../../index.md) / [mozilla.components.lib.nearby](../index.md) / [NearbyConnectionObserver](index.md) / [onMessageDelivered](./on-message-delivered.md)

# onMessageDelivered

`abstract fun onMessageDelivered(payloadId: `[`Long`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-long/index.html)`): `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/lib/nearby/src/main/java/mozilla/components/lib/nearby/NearbyConnection.kt#L464)

Called when a message has been successfully delivered to a neighboring device.

