Proximity Falloff attributes

The Proximity Falloff Attribute Editor widget section is where you can tweak various Falloff settings.

To access the Proximity Falloff Attribute Editor widget

Use Original Geometry
Use the Original Geometry as the influence for the geometry.
See Original Geometry.
Volume

Falloff Object: Volume set to A. None, B. Inside, and C. Outside

Sets how the geometry mass of the falloff object influences the falloff effect. Choose between None, which uses the whole shape of teh geometry, Inside, which uses the internal volume of the falloff object, and Outside, which uses the surface area of the Falloff object.
Proximity Subset
Lets you use the specified componentTag Expression to determine which components on the other mesh uses in the proximity weight calculation.
Start/End
Lets you define the beginning and end of the Falloff effect, as reflected in the falloff geometry shape.