I want to give the spline point an animation in the sequencer... anyone?

I’m making videos with Unreal Engine.
Currently, I made Niagara FX using Spline.

I’d like to give the Spline points a keyframe in the sequencer, but I don’t know how.

I saw the location information according to the index of each spline, but it was in the event graph.

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I don’t want a way like an event graph that I can see only when I use Game Play. I’d like to check it out on the viewport right away.

Is there any way?