This feature is available since TrustBuilder v10
Previously it was neceasary to configure the TrustBuilder Gateway from the commandline. With this new feature you no longer have to leave to comfort of the graphical user interface of IDHub Administrator. From within the Gateway configuration management you can configure one or more gateway configs, each containg a set of VHosts, which on their turn contain a set of Service Providers. Each service provider can be attached to a certain Backend configuration.
A graphical representation of how this configuration is nested: