Level Blueprint Communication

Unreal Engine 4 has a special type of Blueprint called Level Blueprint. Each Level of the game has a default Level Blueprint. They are useful for creating Events and Actions that only happen at the current level. To access the Level Blueprint, click the Blueprints button at the top of the Level Editor and choose the Open Level Blueprint option, as shown in the following screenshot:

In the Level Blueprint, we can easily create references to Actors that are on the Level. To see this in practice, let's create an example where Box Trigger is added on the Level. When an Actor overlaps the trigger, Blueprint_Effect_Sparks ...

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