Azure Event Hub for External Kafka

We are in Pega 8.5 (on prem) and planning to user Azure Event Hub for External Kafka. Has any one implemented external kafka configuration using Azure Event hub. Can you please share the limitations / challenges and steps to implement? I am not able to find OOTB/reference materials for this setup

Also we want to use Schema registry. Is it supported OOTB in Pega 8.5?

@New2740 External Kafka using Azure event hub is not supported. You have to use Kafka only from Azure as well.