How to use the ioslib.simulator function in ioslib

if (thisSimHandle && thisSimHandle.simctl) {
							appc.subprocess.run(thisSimHandle.simctl, ['erase', thisSimHandle.udid], function () {
								logger.tio2('Resetting simulator');
							});
						};
						setTimeout(function () {
							next();
						}, 1000);
					} catch (ex) {
						next(new Error('Results are not valid JSON'));
						}
				} else if (inTiMochaResult && line) {
					tiMochaResults.push(line);
				}
			};
			emitter = ioslib.simulator.launch(null, {
					appPath: this.appDir,
					hide: true,
					logFilename: this.tiapp.guid + '.log'
				}, function(msg, simHandle) {
					thisSimHandle = simHandle;
				})
				.on('log-error', function (msg, simHandle) {
					// system log error messages
					logger.error('[' + simHandle.appName + '] ' + msg);
				})
				.on('log-debug', function (msg) {
					logger['tio2-debug']('[ioslib] '.magenta + msg.replace(/(?:(\[[^\]]+\]) )*/, function (m) { return m.magenta; }));
				})
				.on('log-file', watch)
				.on('app-quit', function (code) {
					if (code) {

let simStarted = false,
				lastLogger = 'debug';
			const startLogTxt = __('Start simulator log'),
				endLogTxt = __('End simulator log'),
				levels = logger.getLevels(),
				trimRE = new RegExp('^.*' + builder.tiapp.name + '\\[[^\\]]+\\]\\s*', 'g'),
				logLevelRE = new RegExp('^(\u001b\\[\\d+m)?\\[?(' + levels.join('|') + '|log|timestamp)\\]?\\s*(\u001b\\[\\d+m)?(.*)', 'i');

			function endLog() {
				if (simStarted) {
					logger.log(('-- ' + endLogTxt + ' ' + (new Array(75 - endLogTxt.length)).join('-')).grey + '\n');
					simStarted = false;
				}
			}
			ioslib.simulator
				.launch(builder.simHandle, {
					appPath:            builder.xcodeAppDir,
					focus:              cli.argv['sim-focus'],
					iosVersion:         builder.iosSdkVersion,
					killIfRunning:      false, // it will only kill the simulator if the device udid is different
					launchBundleId:     cli.argv['launch-bundle-id'],
					launchWatchApp:     builder.hasWatchApp && cli.argv['launch-watch-app'],
					launchWatchAppOnly: builder.hasWatchApp && cli.argv['launch-watch-app-only'],
					logFilename:        builder.tiapp.guid + '.log',
					watchHandleOrUDID:  builder.watchSimHandle,
					watchAppName:       cli.argv['watch-app-name']
				})
				.on('log-file', function (line) {
					// Titanium app log messages
					if (!simStarted) {
						simStarted = true;

.on('app-quit', function (code) {
					if (code) {
						if (code instanceof ioslib.simulator.SimulatorCrash) {
							logger.error(__n('Detected crash:', 'Detected multiple crashes:', code.crashFiles.length));
							code.crashFiles.forEach(function (f) {
								logger.error('  ' + f);
							});
							logger.error(__n('Note: this crash may or may not be related to running your app.', 'Note: these crashes may or may not be related to running your app.', code.crashFiles.length) + '\n');
						} else {
							logger.error(__('An error occurred running the iOS Simulator (exit code %s)', code));
						}
					}
					endLog();
					process.exit(0);
				})
				.on('exit', function () {

.on('app-quit', function (code) {
					if (code) {
						if (code instanceof ioslib.simulator.SimulatorCrash) {
							logger.error('Detected crashes: ' + code.crashFiles.length);
							logger.error('Note: Crashes may or may not be related to running your app.');
						} else {
							logger.error('An error occurred running the iOS Simulator (ios-sim exit code ' + code + ').');
						}
					}
				})
				.on('exit', function () {