You can send push notifications from your devices in different ways. first, make sure to install the last version of Smartnest App for iOS or Android and allow push notifications.
Critical information about your account.
Your devices send an MQTT message to the topic:
<DeviceId>/report/notification . Learn more about MQTT topics here.
You create a routine and one of the actions is to send a notification. Learn more about routines here
You will receive a notification on your mobile device and also in the web application.