Open the window of the price plan that you want to test.
On the main window of Simulation Tool, click 
.
You must verify your price plan before debugging it. Once you have fully verified the price plan, you can open the Rating Trial Run tool.
To open the Rating Trial Run tool
Open the window of the price plan that you want to test.
On the main window of Simulation Tool, click .
The Rating Trial Run window is displayed. The rating tree of the first rate in the price plan is displayed in the left pane of the window (Rating Tree Display area), and its corresponding properties in the right pane (Input Properties area).