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API > API/Runtime > API/Runtime/Chaos > API/Runtime/Chaos/Chaos > API/Runtime/Chaos/Chaos/Collision > API/Runtime/Chaos/Chaos/Collision/FCollisionConstraintAllocator
References
| Module | Chaos |
| Header | /Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Collision/CollisionConstraintAllocator.h |
| Include | #include "Chaos/Collision/CollisionConstraintAllocator.h" |
void PruneExpiredItems&40;&41;
Remarks
Called each tick after the graph is updated to remove unused collisions.