Implementing OAuth using webMethods Integration Server

thank you in this tutorial , its worked

but i want to ask again , sorry for my bad english
how to dynamic cllient_id and client_secret and also url ???

as example this is my package .

wisAuth.zip (87.2 KB)

Run Services with auto approve : wisAuth.services:wisOAuth
Redirect URI : http://host:port/invoke/wisAuth.services:getToken

thanks