// Create a class for presence sensor package PresenceSensor import SmartThing.SmartThings public class PresenceSensors extends SmartThings { List presenceSensors = new ArrayList() PresenceSensors(Closure sendEvent, boolean init) { presenceSensors = smartThings // Initialization String id = "presenceSensorID0" String label = "presence" String displayName = "presenceSensor" String presence if (init) presence = "not present" else presence = "present" presenceSensors.add(new PresenceSensor(sendEvent, id, label, displayName, presence)) } }