--- title: Cartwheel | Scenario Docs --- > This page is auto-generated from model configurations. Last updated: 2026-07-01. This reference lists all available **Cartwheel** video generation models and their parameters. Use these parameter names when calling the [Generation API](/api/postgeneratecustom/index.md). - [Cartwheel Mascot](#cartwheel-mascot) --- ## Cartwheel Mascot Replace characters in a video with new characters described by reference images and a prompt using Cartwheel. **Model ID:** `model_cartwheel-mascot` **Capabilities:** `video2video` **LLM Markdown:** | Parameter | Type | Required | Default | Min | Max | Allowed Values | Description | | -------------------------- | ----------- | -------- | ------- | --- | --- | -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `video` | file | Yes | - | - | - | - | The video you want to transform. The people or characters in it are replaced with your new character. Supports MP4, WEBM, and MOV. | | `characterReferenceImages` | file\_array | Yes | - | - | - | - | Images showing what the replacement character should look like. Order matters: the first image is used for the first character in the video, the second for the next, and so on. | | `prompt` | string | Yes | - | - | - | - | Describe the replacement you want — for example, what the new character looks like or how it should appear in the scene. | | `environmentImage` | file | No | - | - | - | - | An optional reference image for the background or setting the character should appear in. |