LSL And Point Light

Question

 Okey i have a problem with HLSL.

Ive been reading about HLSL, and i need to make som pointlight in my shader.

Can anyone pls show where i can find a complete shader using pointlights, (not anything else). i wish to have the entire code pls.

Ive been browsing the web and it seems im either blind or its not there?

Sincerly Shane