<MainProgram>
  <Name>
    SHADER_caustics
  </Name>
  <ProgramFile>
    "programs/caustics.frag"
  </ProgramFile>
</MainProgram>

<Parameters>
  <Parameter>
    rgba color
    <Default>
      0 120 255 255
    </Default>
  </Parameter>
  
  <Parameter>
    float time
  </Parameter>
</Parameters>