CreateHookKeyframe - ComfyUI Built-in Node Documentation

The Create Hook Keyframe node allows you to define specific points in a generation process where hook behavior changes. It creates keyframes that modify the strength of hooks at particular percentages of the generation progress, and these keyframes can be chained together to create complex scheduling patterns.

Inputs

Parameter	Description	Data Type	Required	Range
`strength_mult`	Multiplier for hook strength at this keyframe (default: 1.0)	FLOAT	Yes	-20.0 to 20.0
`start_percent`	The percentage point in the generation process where this keyframe takes effect (default: 0.0)	FLOAT	Yes	0.0 to 1.0
`prev_hook_kf`	Optional previous hook keyframe group to add this keyframe to	HOOK_KEYFRAMES	No	-

Outputs

Output Name	Description	Data Type
`HOOK_KF`	A group of hook keyframes including the newly created keyframe	HOOK_KEYFRAMES

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