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API > API/Plugins > API/Plugins/MovieRenderPipelineCore > API/Plugins/MovieRenderPipelineCore/UMovieGraphScriptBase
Description
If you return true here the system will stall at the end of every shot and wait until all files have been written to disk before invoking this callback. This can increase render times but is important if you need to operate on the files on disk as part of the callback.
For C++ implementations override `virtual bool IsPerShotCallbackNeeded_Implementation() const override_ For Python implementations override @unreal.ufunction(override=True) def is_per_shot_callback_needed(): return False
| Name | IsPerShotCallbackNeeded |
| Type | function |
| Header File | /Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/Graph/Nodes/MovieGraphExecuteScriptNode.h |
| Include Path | #include "Graph/Nodes/MovieGraphExecuteScriptNode.h" |
UFUNCTION (BlueprintNativeEvent, Category="Movie Graph")
bool IsPerShotCallbackNeeded() const