Below Configuration We are using:
input
{
azure_event_hubs
{
config_mode => "basic"
#Insert primary connection string from shared access policies in event hub namespace from azure portal
event_hub_connections => ["<Shared Acess Policy 1>;EntityPath=<eventhubname1>","<Shared Acess Policy 2>;EntityPath=<eventhubname2>"]
initial_position => "end"
threads => 16
decorate_events => true
consumer_group => "Consumer group name"
type => "<type name>"
}
}