Snapshot schema version used for compatibility checks.
This numeric value (int32) belongs to FInteractionRuntimeSaveSnapshot under InteractionRuntime|Save.
Blueprint or editor workflows can write this value when constructing, overriding, or customizing the owning object.
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "InteractionRuntime|Save")
int32 SchemaVersion = InteractionRuntimeSaveSnapshotVersion::Current;