https://learn.microsoft.com/ja-jp/dotnet/api/azure.messaging.eventhubs.producer.sendeventoptions?view=azure-dotnet
SendEventOptions Class (Azure.Messaging.EventHubs.Producer) - Azure for .NET Developers | Microsoft...
The set of options that can be specified to influence the way in which events are published to the Event Hubs service.
classazuremessagingproducerdevelopers