As a game mode In FIFA Mobile version 2016-2017, Live Events were a set of timed challenges shown on the Live Events Map which was accessible from the main menu. Live Events could be individual or a set of grouped challenges. By completing a Live Event Challenge, users could earn some rewards such as coins, XP, packs and/or individual items. A Live Event Challenge used to consume some certain amounts of Stamina to be played.
In FIFA Mobile version 2017-2018, Events are replaced with Live Events. See Events for more details
Live Events could also be chained together requiring other events to be completed first.
By completing individual or grouped Live Events you could get rewarded with coins and XP, while some challenges will also give you packs, individual items, tokens, and chances at greater rewards.