This may be the quickest way to tell people how this is defined

api/lovr/physics/World/raycast.lua

@@ -72,7 +72,7 @@ return {
       returns = {},
       description = [[
         The function to call when an intersection is detected.  It can return `false` to cancel
-        checks against additional shapes.
+        checks against additional shapes. It is defined as so: (shape, x, y, z, nx, ny, nz) => bool | void.
       ]]
     }
   },