Getting ServiceBus Namespace description

Hello,

I have a requirement to create service bus namespace using management API. I used

https://msdn.microsoft.com/en-us/library/azure/jj856303.aspx

And was able to do this. But for using this namespace now I need keys, I did find some help

https://msdn.microsoft.com/en-us/library/azure/jj873988.aspx

But not sure how to use this.

Anyone has any idea?

Regards,

Software Engineer