Set up a volumetric sample scene
Select Window > Package manager.
In the Package manager window, select High Definition RP.
In the Samples tab, import the Volumetric Samples.
In the Project window, go to Assets > Samples > High Definition RP > HDRP version number > Volumetric samples > Scenes.
Select the Volumetric Samples scene.
Go to Assets > Samples > High Definition RP > HDRP version number > Volumetric samples > Prefabs.
Drag one of the following sample prefabs in your scene:
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3D Texture Mask Sample
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About Blending Modes
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Cloudy Sample
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Foggy Orb and Light Sample
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Fumes Sample
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Ground Smoke Prefab Sample
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Procedural Noise Fog Sample
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Volumetric Heart Sample
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