Model Analysis > Creo Behavioral Modeling Tools > Analyses > Clearance and Creepage Analysis > Comparative Tracking Index > To Assign a CTI Using the Model Tree
  
To Assign a CTI Using the Model Tree
1. On the Model Tree, right-click a component for which you want to assign the CTI, and then select Parameters on the shortcut menu. The Parameter dialog box opens.
2. Click to add a new parameter to the list of parameters.
3. In the Name box, type COMPARATIVE_TRACKING_INDEX.
4. In the Type list, select Integer.
5. In the Value box, type the value of the parameter.
6. Click OK.