Custom user data. The physics system doesn't use this data, it is entirely for custom use.
| Property | Description |
|---|---|
| boolValue | A custom bool. |
| floatValue | A custom 32-bit float. |
| int64Value | A custom 64-bit long. |
| intValue | A custom 32-bit int. |
| objectValue | A custom Unity object. |
| physicsMaskValue | A custom 64-bit PhysicsMask. |