Sequencer

Create a new Level Sequence asset

Open a Level Sequence in the Sequencer editor

Read timeline settings + binding/track counts

Set the playback range (frames or seconds)

Set the display rate / FPS

Set the tick resolution (migrating)

Bind an existing level actor as a possessable

Add a spawnable binding from a class

Add a spawnable binding from a level actor template

List bindings (possessables + spawnables), filterable by type/name

Rename a binding by GUID

Remove a binding by GUID

Convert a possessable binding to spawnable

Convert a spawnable binding to possessable

List available track classes (reflection)

List tracks on a binding (or root tracks)

Add an object-bound track to a binding

Add a root/master track (camera cut, audio...)

Remove a track by index

Add a section to a track

List sections on a track

Set a section's range (frames or seconds)

Remove a section by index

Set a property on a track (universal writer)

Set a property on a section (universal writer)

List a section's animatable channels

Add a keyframe to a channel

List keys on a channel

Remove a key by index from a channel

Set a channel's default value

Key location/rotation/scale on a transform section in one call

Spawn a cine camera and bind it in the sequence

Add a camera cut to the camera (auto-creates the cut track)

Render a Level Sequence to disk via Movie Render Queue (async)

Report Movie Render Queue progress + written files

Set an existing key's value (float/double channel)

Move an existing key in time

Set a key's interpolation + tangent mode

Set a key's tangents (arrive/leave + weights)

Set channel pre/post-infinity extrapolation (looping)

Set section ease-in/out (fade) length

Set section blend type (additive layering)

Add a sound on a master audio track

Add a sub-sequence (shot) on a cinematic shot track

Add an event track section (repeater/trigger)

Add a time-warp track with a fixed play rate (5.8+)

Add a timeline marker

List timeline markers

Remove a timeline marker by index

Add a root folder (organization)

Add a binding or root track to a folder

Set evaluation type (framelocked/withsubframes)

Add a tag to a binding

Remove a tag from a binding

Deep report for one binding: tracks, sections, channels (filterable), optional keys

Evaluate channel value(s) at a frame/time (e.g. Location.X at frame 500)

Move the Sequencer timeline bar to a frame/time (sequence must be open)

Read the Sequencer playhead position (sequence must be open)

Play or pause the open Sequencer

List keyable properties of a binding's object/component (discover what you can animate)

Possess an actor's component as a child binding (needed to animate LightColor/Intensity)

Add a property track bound to a property (auto-picks track class); enables color/intensity/etc.

Batch-add keys to multiple channels of a section in ONE call

Add an animation to a skeletal-mesh binding; loops to fill the section by default