HLSL custom function UDK

[desert_eagle]

Hi guys.is there a availability to make hlsl function like

float3 getPosition(in float2 uv)
{
return tex2D(g_buffer_pos,uv).xyz;
}
in udk? i tryed and it gave me different errors no matter what...it ****** me off cause that part is realy important to the shader!.and i dunno how to do it the other way.thanks

[Solid Snake]

Have you tried using the Custom node?

[desert_eagle]

sure! i did tonemapping....but my question is.how can i make different hlsl fuction in one custom node..never mind ithink ill make every function in a dedicated custom node and conect them to the actual custom node.