Big Data, Spark, Event Hub, Scala, Azure.
customEventhubParameters = scala.collection.immutable.Map[String, String] ( "eventhubs.policyname" -> "", "eventhubs.policykey" -> "", "eventhubs.namespace" -> "", "eventhubs.name" -> "", "eventhubs.partition.count" -> "", "eventhubs.consumergroup" -> "$Default", "eventhubs.progressTrackingDir" ->