Demo — inputs & output
Prompt structure inspired by Inspired by fal.ai H3 Guide
Multi-Element Scene Editing
Batch localized edits in one pass — props, furniture, effects, and set dressing.
Who this is for
Advanced edit demos showing instruction adherence.
How this prompt is built
Read this first — once you see the pattern, you can write your own without starting from zero.
- Edit list
Enumerated substitutions — model follows literally.
- Constraint
Preserve unmentioned elements.
Adapt it for your project
- Swap prop list for your scene.
- Fewer edits for simpler tests.
Where people mess up
- Vague combine edits — model drifts.
- Missing preserve clause.
Full prompt (copy & edit)
In the reference video: replace the newspaper with a green hardcover book; replace the chair with a red sofa; remove the subject's sunglasses and reveal a clear face; remove the burning-car effect and restore the vehicle to normal; replace the photograph taken from the coat with a small black notebook; and add a tree on the left side of frame. Keep camera motion and all unlisted elements unchanged.
New to Ref2VA? Read the MiniMax H3 Ref2VA prompt guide
Related prompts
Cat-to-Dog Replacement
Video editing with one-line substitution prompt
Prompt structure
Replace the cat in the video with a dog. Keep everything else in the shot stable: background, c…
Day-to-Night Relighting
Single-video relight instruction
Prompt structure
Change the lighting in the reference video from daytime to night. Preserve all subject motion, …
Product, Sign & Dialogue Replacement
Complex multi-swap edit on single clip
Prompt structure
In the reference video, replace the canned drink shown at the beginning with Coca-Cola. Change …
Subject & Wardrobe Replacement
Two-image + video composite edit
Prompt structure
Replace the child at the back of Video 1 with the golden retriever from @image1. Replace the kh…