How to get all created indexes names in NRediSearch (C# Client)?

Redis modules RediSearch
1

is there any way to get all indexes name as a result using redis client (NRediSearch / StackExchange.Redis)?

I want to result of below command.

127.0.0.1:6379>keys idx:*

https://groups.google.com/forum/#!topic/redisearch/wTQVqR62ERg

2 
I think this should work

foreach(var key in server.Keys(pattern: "idx*")) {
    Console.WriteLine(key);
}