EnvRef add_entity - Uberi/MineTest-API GitHub Wiki
Spawn Lua-defined entity at position
Returns ObjectRef, or nil if failed
[LuaEntitySAO](../type/LuaEntitySAO.html) add_entity([position](../type/position.html) pos, [Item](../type/Item.html) name)
minetest.add_entity({x=0, y=0, z=0}, "default:falling_node")