Open Backpack

[kubax36]

function onWalkerSelectLabel(labelName)
if (labelName == "okno") then
setWalkerEnabled(false)
wait(6642)
closeBackpacks(8860)
openBackpacks(8860)
setWalkerEnabled(true)
end
end
it not work for me. What is wrong in it?

[Rozkurvitov]

elseif (labelName == "openbp") then
delayWalker(3000)
setWalkerEnabled(false)
local nextbp = Container.GetByName("name Backpack")
if (nextbp:isOpen() == true) then
nextbp:UseItem(0)
end