Custom Events can be any specific in-game action your user performs. They allow you to track the player behavior that Unity AnalyticsAbbreviation of Unity Analytics
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In general, you should only using Custom Events when no suitable Standard Event is defined. Because Standard Events have a defined context, Unity can provide better analysis and visualization support than for Custom Events.
2018–03–02 Page published 2018–03–02 - Service compatible with Unity 5.2 onwards at this date but version compatibility may be subject to change
New feature in 5.2
Standard Events added as Unity package