... Script Contents . ... Yield When You Wait . ... TUI scripts are a way to automate tasks you perform frequently. ... Other scripts may be found in <tui_root>/TUI/Scripts. ... It may NOT contain a "yield", and thus may not wait for anything. end(self, sr): (optional): executed whenever the script ( run(sr) ) ends for any reason, whether it succeeded, failed or was cancelled. ... Whenever your script calls an sr.wait... function (i.e. wants to wait for anything), it must use yield, as in: yield sr.wait...