Spotlight trail effect

Hello devs, how can I have a trail effect when I am using a spot light?

I would like to have it like if it was in the reality, so we find a circular trail which grows.
And I will like it does not stop the projection, I would like to have something without “segments”.

https://gyazo.com/a32e0f1e483170ead115a259d8e0e3bd
image

I’m quite confused.
Beams are something that moves a decal projection from point A to point B. Usually they’re good in making things that stay in a single place to act as an effect.
If you want, you can just use “Trail” itself for the idea you’re thinking of.

Segments are also important since if it doesn’t have any, it might just rather not exist since it has none.
More segments = More smooth trail/beam.

Trails have not the correct effect?

Do you want this effect? https://gyazo.com/1b4bb7073bc219e22297f6f4b71cf3ad

Trail
To apply a A → B scale change, go to your property’s scale settings and upon interacting with the value it should pop up a “…” next to it. Click on that and it should show a timescale sequence, you apply changes and it should display the result.

Beam
Apply Width0 / Width1 to a bigger scale than the other.

Particle

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If im not wrong, he can also use a library like spr.

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