Here are some steps to help you use ChatGPT to write a short format screenplay:

Define your genre and plot
Before you start writing your screenplay, it's important to define your genre and plot. You can do this by talking to ChatGPT and asking it questions about your story. For example, you can ask ChatGPT to suggest some plot ideas for a romantic comedy or a horror movie.

Create your characters
Once you have your plot, it's time to create your characters. ChatGPT can help you come up with character names, backgrounds, and motivations. You can ask ChatGPT questions about your characters to help you develop their personalities and make them more relatable to your audience.

Write your scenes
With your plot and characters in place, it's time to start writing your scenes. ChatGPT can help you come up with ideas for individual scenes and suggest dialogue for your characters. You can also use ChatGPT to help you refine your scenes and make them more engaging for your audience.

Revise and refine
Once you have a first draft of your screenplay, it's important to revise and refine your work. ChatGPT can help you identify areas that need improvement and suggest ways to make your screenplay more effective. You can ask ChatGPT questions about pacing, dialogue, and character development to help you make your screenplay the best it can be.

In conclusion, using ChatGPT to write a short format screenplay can be a valuable tool for any writer. By using its natural language processing capabilities, you can generate ideas, refine your plot, and create compelling characters and scenes. With ChatGPT as your writing partner, you'll be able to create a screenplay that is engaging, entertaining, and memorable.