pointed_thing - Uberi/MineTest-API GitHub Wiki
Table representing what is being pointed at.
Can represent pointing at nothing, a node, or an object.
{
type=[string](string.html), -- "nothing", "node" or "object"
under=[position](position.html), -- or nil
above=[position](position.html), -- or nil
ref=[ObjectRef](ObjectRef.html), -- or nil
}