Demo — inputs & output
Prompt structure inspired by Inspired by fal.ai H3 Guide
Product, Sign & Dialogue Replacement
Replace product, signage, props, and final dialogue line in one convenience-store beat.
Who this is for
Localized ad revisions and brand swap demos.
How this prompt is built
Read this first — once you see the pattern, you can write your own without starting from zero.
- Product swap
Hero SKU replacement.
- Signage
Background logo edit.
- Dialogue
Final line ADR-style change.
Adapt it for your project
- Use your brand SKU and store name.
- Single swap only for simpler runs.
Where people mess up
- Unlisted elements changing.
- New dialogue length breaking lip sync.
Full prompt (copy & edit)
In the reference video, replace the canned drink shown at the beginning with Coca-Cola. Change the illuminated "FamilyMart" convenience-store sign in the background to "HUHUI." At the end, replace every snack in the plastic bag with cans of Coca-Cola, and change the final line from "I bought a few snacks" to "I bought a whole bunch of Coke." Keep performance timing and camera framing stable.
New to Ref2VA? Read the MiniMax H3 Ref2VA prompt guide
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