Hi,
just create a new BizPackage and assign at least one scenario step to this BizPackage. The development tools are inbuilt.
In HELP -> Documents you can find the complete documentation about the usage:
E.g. chapter 2 - Scenario Development describes the creation of a scenario step-by-step.
Every single screen has a content help accessible behind the "blue book" symbol:
Best regards
Bastian
P.S.: You can also contact your local product expert or channel manager to either request a training for the B1 Integration Framework.