Here are some important HelpDocs articles you will want to read to create your scenarios. 

 Facilitated and Self-Paced
Before you start creating, learn what is the best set up for your scenario according to your exercise.
 Scenario Editor First Login
First time in the Scenario Editor? information you will need to provide.
 Master Event List (MEL)
Design your scenario in a simple table format you can easily.
All about the digital representation of your "characters" in your scenario.
 About Positions, Roles and Groups
Learn how players can be grouped and targeted according to these configurations.
Set up how your players will access and identify themselves during your exercise.
Uploading exercises to the cloud, the online space where your scenario will be published to.