For the user, Journal helps to check if the remote command was executed, i.e. when the user is away from home.
For the installer, Journal helps to track history of events to identify any failures and outline the ways to further refine the intraHouse system.
Three sources for journal entries
Entry search in the journal
Enter one ore more words in search bar and press search key. The search is not case sensitive and it's enough to enter the first letters of a word. E.g., to find entries related to "Leak detector in Bathroom", just type "leak bath".