Command · Set Keyframe Interpolation

keyframes.setInterpolation

Sets the interpolation (hold, linear, bezier, easeIn, easeOut, easeInOut) of several keyframes of one parameter at once.

• v1
• Capability EditSequence
• Tool keyframes_setInterpolation

Request

{
  "command": "keyframes.setInterpolation",
  "params": {
    "clip": 42,
    "interpolation": "easeInOut",
    "param": "motion.scale"
  }
}

Parameters

clipinteger | object (1..)Required

The clip. A clip id, or {"track", "time"} for the clip there.

effectinteger (1..)

For an effect parameter: The effect instance id (clip.details lists them).

interpolation`hold` | `linear` | `bezier` | `easeIn` | `easeOut` | `easeInOut`Required

The new interpolation.

keys(integer (0..))[]

The keys. Default: all of them.

paramstringRequired

The parameter: a clip parameter (motion.position.x, motion.position.y, motion.scale, motion.rotation, motion.anchor.x, motion.anchor.y, opacity.opacity, volume.level, panner.balance), or with "effect" a parameter key of that effect (see effect.list).

sequenceinteger (1..)

Sequence id; only needed when the project has several.

Discussion

Run it with wabcut-cli cmd <project> --json, from an MCP client as keyframes_setInterpolation, or from an extension. See Edit commands for requests, references and results.