local component = require("component")
local event = require("event")
local sides = require("sides")

local cc = component.carriage -- get primary carriage controller
cc.move("up")
local _, _, result, reason, x, y, z = event.pull("carriage_moved")
if not result then
  if x then
    print(reason)
    print("Block location: " .. x .. ", " .. y .. ", " .. z)
  else
    print(reason)
  end
end
-- using the sides table:
cc.simulate(sides.west)