How can I make the sliderfloat work for this fov function? I know how to create the sliderfloat and all, but I can't seem to get this function working

[Runbu73]

if aim.CheckBox.teste88[0] then
        local fovSpeed = floatbuffer7[0] or 2.5
        cameraSetLerpFov(101.0, 101.0, 1000, 1)
    end