maybe a silly question: What is the most convenient way to fill arrays? After filling in one entry the only chance to save it seems to hit ENTER. However, this saves the whole host entry (and cause a new entry in the activity log). Second, is there any chance to fill in a bunch of entries with copy&paste at a time?
During a big migration I used the icingacli quite a lot for this as I could script it, but I think typing a JSON array on CLI is still faster than clicking and typing in the WebUI.
For Copy and Paste you can use the CLI to show one entry and then script a for each to set the same value for a list of hosts.