After you import a script or create a custom list, you can use the Shot Lists & Storyboard feature to visualize your project scene by scene, shot by shot. After your done adding shots, you can customize their shot numbers.
Step 1 — Access Layout Options
Adjust the layout of your shot numbers to Custom.
Step 2 — Customize Shot Number
Click a shot number to activate it's text field.
Step 3 — Enter Shot Number
Enter a unique shot number.