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03-UnrealEngine/Gameplay/UObject/UnrealSpecifiers/Meta/Object/FullyExpand.md

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+# FullyExpand
+
+- **使用位置：** UPROPERTY
+- **元数据类型：** bool
+- **关联项：** [ShowInnerProperties](ShowInnerProperties/ShowInnerProperties.md)
+
+但是没有发现该Meta被使用的原理代码。
+
+在源码中搜索发现有多处应用，但实际上没有原理代码。
+
+```cpp
+	/** The options that are available on the node. */
+	UPROPERTY(EditAnywhere, Instanced, Category = "Options", meta=(ShowInnerProperties, FullyExpand="true"))
+	TObjectPtr<UMovieGraphValueContainer> SelectOptions;
+
+	/** The currently selected option. */
+	UPROPERTY(EditAnywhere, Instanced, Category = "Options", meta=(ShowInnerProperties, FullyExpand="true"))
+	TObjectPtr<UMovieGraphValueContainer> SelectedOption;
+```