Update color param on Lensflare element via script?

[Coldscooter]

The "Color" param on lensflare elements is of type "RawDistributionVector".

How do i update this parameter via unrealscript?

Thank in advance.

[gamepainters]

LensFlare.SourceElement.Color.Constant=(X=1.0,Y=1.0,Z=1.0);