‎2019 Jul 22 4:18 PM
How to create Routing with to (reference material routing ) using BAPI_ROUTING_CREATE
‎2019 Jul 22 4:22 PM
You didn't even make the effort to google "BAPI_ROUTING_CREATE example"!
There are tons of threads and a whole blog on the topic: why people should help you if you do not care to try?