CONTAINER Xcheckerboard { NAME Xcheckerboard; INCLUDE Mpreview; INCLUDE Xbase; GROUP ID_SHADERPROPERTIES { COLOR CHECKERBOARDSHADER_COLOR1 {} COLOR CHECKERBOARDSHADER_COLOR2 {} REAL CHECKERBOARDSHADER_SCALEX { MIN 0.0; STEP 0.01; } REAL CHECKERBOARDSHADER_SCALEY { MIN 0.0; STEP 0.01; } } }