WARNING
An upcoming release will remove the autocomplete function in the notification rules interface. Use alternative asset and variable picker methods to add and edit notification rules.
The notification settings are assigned to the corresponding asset. Child assets inherit the settings from parent assets. You can change the inherited settings for a child asset only by changing the settings for the parent asset and thereby for all child assets.
Notifier app and IIH Essentials
My Plant is imported from IIH Essentials. If the Notifier app was not configured by IIH Essentials, you cannot find any assets and you cannot create any notification rules.
You can find more information in the sections: