To add limit points for your Center of Gravity (CG) envelope, please open your Aircraft W&B Profile. Once open,, follow these steps:
1. In the left column, on the lower bar, select the SETUP button.
2. Select the EDIT button. Now, scroll in the left column until you see the FORWARD CG LIMITS or AFT CG LIMITS section.
3. Select the ADD NEW (FORWARD or AFT) POINT button.
Repeat until you have enough points for your needs. When you are done, select the DONE button in the lower left. Now you can complete setting up your CG Envelope Limits.
Image 1. How to add CG Envelope Limits.