ByteDanceCreateVideoAsset - ComfyUI Built-in Node Documentation

This node creates a personal video asset for Seedance 2.0. It uploads your input video and registers it within a specified asset group. If you don’t provide a group ID, it will guide you through a real-person verification process in your browser to create a new group first.

Inputs

Parameter	Description	Data Type	Required	Range
`video`	Video to register as a personal asset.	VIDEO	Yes	-
`group_id`	Reuse an existing Seedance asset group ID to skip repeated human verification for the same person. Leave empty to run real-person authentication in the browser and create a new group. (default: empty string)	STRING	No	-

Video Constraints:

Duration: Must be between 2 and 15 seconds.
Dimensions: Width and height must each be between 300 and 6000 pixels.
Aspect Ratio: The width-to-height ratio must be between 0.4 and 2.5.
Total Pixels: The total number of pixels (width × height) must be between 409,600 and 927,408.
Frame Rate: Must be between 24 and 60 frames per second (FPS).

Outputs

Output Name	Description	Data Type
`asset_id`	The unique identifier for the newly created video asset.	STRING
`group_id`	The identifier of the asset group containing the new video. This will be the provided `group_id` or a newly created one.	STRING

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