# Source URL: https://dev.epicgames.com/documentation/en-us/fortnite/sample-tutorial-03-flexible-gameplay-in-fortnite
# Local doc: epic-docs/documentation/en-us/fortnite/sample-tutorial-03-flexible-gameplay-in-fortnite.md
# Section: Entity Overlaps
OnBeginSimulation<override>():void =
(super:)OnBeginSimulation()
if:
FortRoundManager := Entity.GetFortRoundManager[]
then:
FortRoundManager.SubscribeRoundStarted(OnRoundStarted)
Verse Library
verse
06 Entity Overlaps
Subscribes to the round started event when simulation begins to trigger custom round logic.
extracted-snippets/documentation/en-us/fortnite/sample-tutorial-03-flexible-gameplay-in-fortnite/06-entity-overlaps.verse