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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/UKismetRenderingLibrary
Description
Forces the path tracer to restart sample accumulation. This can be used to force the path tracer to compute a new frame in situations where it can not detect a change in the scene automatically.
| Name | RefreshPathTracingOutput |
| Type | function |
| Header File | /Engine/Source/Runtime/Engine/Classes/Kismet/KismetRenderingLibrary.h |
| Include Path | #include "Kismet/KismetRenderingLibrary.h" |
| Source | /Engine/Source/Runtime/Engine/Private/KismetRenderingLibrary.cpp |
UFUNCTION (BlueprintCallable, Category="Rendering", Meta=(Keywords="PathTracing"))
static void RefreshPathTracingOutput()