ask for help: how to write lua script for special exits in Mapper?

[caiyaozheng]

hi everyone,

I've been trying to use Mapper recently, when I try to set a special exits, i don't know to write lua. for instance, when come to Room A, i want to wait for 4 seconds then use a special exit "southup". don't know how to write the lua script in the exits window.

i tried the following:

lua script:tempTimer(4,[[send("southup")]])

not working. can anyone help?