With Add Spawnable from Class/Object from MovieSceneSequenceExtensions being deprecated in 5.6 in favour of the LevelSequenceEditorSubsystem version, there is no longer the ability to add spawnables to sequences that aren’t currently opened. This is a big issue for me as I need to be able to generat…

If you’re still trying to add spawnables, I’ve discovered that you can you can simply open and close the level sequence and it won’t visually open in the engine. This is just a stripped down python snippet as an example but I’m running this open close concept on a much larger script that handles fbx…

Also really need to be able to add spawnables to sequences for my mocap/cinematic workflow. Thank you for posting your workaround, for now we are only dealing with one sequence at a time so it isn’t a huge deal, but it would be much simpler to just add a skeletal mesh as a spawnable instead.

Add Spawnables to Sequence in 5.6

Development Pipeline & Plugins Editor Scripting

Data_Vision (Léo Paul Ossola) November 27, 2025, 4:45pm 4

To expand on this, adding spawnables in BP is feasible even if not very intuitive