Long-lived Plugin

script.cocoascript

var interval = null;

var onStart = function(context) {
  [coscript setShouldKeepAround:true];

  interval = [coscript scheduleWithInterval:1.0 jsFunction:function() {
    log("In interval");
  }];
};

var onStop = function(context) {
  if(interval) {
    [interval cancel];
    log("Interval canceled");
  } else {
    log("No interval to cancel");
  }
};