Why RaycastParams.FilterDescendantsInstances when adding object via table.insert, it don't inserted?

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#1

Hello. I’m making my plugin. Now, I stuck with Raycasting:

BrushPart = Instance.new("Part")
BrushPart.Shape = "Ball"
BrushPart.Size = ToolSettings[Tool]["Brush"]["Size"][2]
BrushPart.Color = BrushColors[Tool]
BrushPart.Transparency = 0.5
BrushPart.Anchored = true
BrushPart.CanCollide = false
BrushPart.CFrame = CFrame.new(Mouse.Hit.Position) * CFrame.fromOrientation(DefaultBrushRotation.X, DefaultBrushRotation.Y, DefaultBrushRotation.Z)
BrushPart.Parent = workspace
if BrushRaycastParams.FilterType == Enum.RaycastFilterType.Blacklist then
	table.insert(BrushRaycastParams.FilterDescendantsInstances, BrushPart)
	print("Inserting brush Part " .. #BrushRaycastParams.FilterDescendantsInstances)
else
	local result = table.find(BrushRaycastParams.FilterDescendantsInstances, BrushPart)
	if result then
		table.remove(BrushRaycastParams.FilterDescendantsInstances, result)
	end
end

BrushPart is initialized at the start of script as nil. Can someone say, why adding BrushPart into BrushRaycastParams.FilterDescendantsInstances not working? (prints lenght is 0)

#2

Could just be that when you set it, they create a copy of the table so you can’t mess with the table in weird ways. Could fix by changing it to:

local filters = {}
table.insert(filters, obj)
RaycastParams.FilterDescendantsInstances = filters
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