How to enable incoming streams

Hello, How can i enable incoming streams to my rtmp?

You mean connect your encoder to Wowza Streaming Cloud over RTMP? You can read/watch here: https://www.wowza.com/docs/how-to-connect-an-rtmp-encoder-to-wowza-streaming-cloud.

There’s a lot of useful documentation available on https://www.wowza.com/docs