Bifröst Kill Volume attributes

The Kill Volume can be found in both the bifrostAeroProperties and bifrostLiquidProperties attributes.

Kill Input Mesh
Lets you isolate Bifröst emission to the interior of the bounding box of a polygon object. Regions outside of the volume do not emit particles. Select a mesh in your scene, and then click Use Selected. See Work with Bifröst Kill Volume and Clipping meshes.