This class stores all properties for a material. `LF` is an abbreviation for `Low Frequency`, and `HF` for `High Frequency`. Read more: [[raytraced-audio/v110/Materials|Materials]]. ```cs public class MaterialProperties { // High-frequency absorption coefficient (0.0 to 1.0). public float AbsorptionHF; // Low-frequency absorption coefficient (0.0 to 1.0). public float AbsorptionLF; // Create a MaterialProperties with all values set to 0. public MaterialProperties(); // Create a MaterialProperties with all values provided. public MaterialProperties(float absorptionLF, float absorptionHF, float scattering, float transmissionLF, float transmissionHF, float planeTransmissionLF, float planeTransmissionHF); // Create a MaterialProperties with the same values as another. public MaterialProperties(MaterialProperties prop); // Percentage of high-frequency energy lost when a ray passes through a flat PlanePrimitive, DiskPrimitive, TrianglePrimitive or non-watertight MeshPrimitive. Ranges from 0.0 to 1.0 public float PlaneTransmissionHF; // Percentage of low-frequency energy lost when a ray passes through a flat PlanePrimitive, DiskPrimitive, TrianglePrimitive or non-watertight MeshPrimitive. Ranges from 0.0 to 1.0 public float PlaneTransmissionLF; // Scattering strength (0.0 to 1.0), where 0.0 has no scattering and 1.0 scatters up to 90 degrees from the reflected direction. public float Scattering; // High-frequency transmission in dB/m (0.0 or greater). public float TransmissionHF; // Low-frequency transmission in dB/m (0.0 or greater). public float TransmissionLF; // Copy all properties from another MaterialProperties. public void Update(MaterialProperties prop); // Update all properties. public void Update(float absorptionLF, float absorptionHF, float scattering, float transmissionLF, float transmissionHF, float planeTransmissionLF, float planeTransmissionHF); } ```