The YoSmart skill is the voice interface to the YoSmart devices and YoLink devices. To use this skill,you need to have a YoSmart Account through the YoLink app on iOS or Android. Hardware requirements: One YoSmart Hub which need to be connected the the internet router through RF45 internet cable. One or more MiLocks which is Alexa enabled. The Hub need to be registered to the customer's YoSmart account and the locks need to be linked to the Hub through the YoSmart App. Then the customer need to link his/her amazon account to the YoSmart account. When you enable this skill,you will be prompted to link Alexa to your YoSmart Account. you will have to provide your username/email and password.Once you log in,you will be presented with a list your devices on your account to pick from to link to Alexa. You also can refresh your device list through tap "Discover Device" to get your newest devices in YoSmart app or talk to the Echo to discover devices. The YoSmart Skill allows you to control your smart devices without saying "YoSmart".For example,if your assigned a spoken name of "backdoor" to one of your devices,you can simple say "Alexa,lock the backdoor".