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API > API/Plugins > API/Plugins/MovieRenderPipelineCore > API/Plugins/MovieRenderPipelineCore/UMoviePipelineExecutorBase
Description
Called once at the beginning of each engine frame.
For C++ implementations override `virtual bool OnBeginFrame_Implementation() override_ For Python/BP implementations override @unreal.ufunction(override=True) def on_begin_frame(self): super().on_begin_frame()
| Name | OnBeginFrame |
| Type | function |
| Header File | /Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/MoviePipelineExecutor.h |
| Include Path | #include "MoviePipelineExecutor.h" |
UFUNCTION (BlueprintNativeEvent, Category="Movie Render Pipeline")
void OnBeginFrame()