# Documentation/Raytraced shadows and reflections

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If you pass `"raytrace"` as the texture name to environment and shadow shading language commands, PIXIE will raytrace to find the reflection (for environment) or the transmission (for shadow). You can pass `"samples"` to tell PIXIE how many rays it should cast. The `"blur"` argument can be used to blur the reflection or shadow. The figure below demonstrate the glossy reflection obtained by the environment shading language command.

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