E-Keys are a way to allow your family and close friends to enter your home through their own Array app. E-Key setup To ensure the E-Key is setup correctly, the person will need to be with the Array lock and enter the tethering code.
You can create E-Keys for many different types of people but they will need to have previously had access to the Array lock in question, have the Array app downloaded and have their own Array account.
E-Codes are best for a one time code or a code on a set schedule. E-Code setup This will eliminate the need to unlock the Array from a smart device or the Array app. The owner of the Array lock would assign E-Codes and provide the E-Code to the person in need of access.
Assigning E-Codes would be best for deliveries or for someone that would need to have temporary access.