Akka: Example parent sending message to child

ParentActor.scala

class ParentActor extends Actor {
  def receive: Actor.Receive = {
    case msg @ _ => {
      println(s"Received msg, delegating work to a child actor")
      val childActor = context.actorOf(Props[ChildActor])
      childActor ! "Go and do something important!"
    }
  }
}