# UxmlSerializedData.UxmlAttributeFlags

> Used to indicate if a field is overridden in a UXML file.

## Definition

* **Type:** Enum
* **Namespace:** [UnityEngine.UIElements](/engine/6000.5/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
[Flags]
public enum UxmlSerializedData.UxmlAttributeFlags : byte
```

## Fields

| Value                                                                                                                                | Description                                                                                                                                                                                              |
| ------------------------------------------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [DefaultValue](/engine/6000.5/script-reference/unityengine/uielements/uxmlserializeddata/uxmlattributeflags/defaultvalue.md)         | The serialized field contains the default value, it will be applied when editing in the UI Builder.                                                                                                      |
| [Ignore](/engine/6000.5/script-reference/unityengine/uielements/uxmlserializeddata/uxmlattributeflags/ignore.md)                     | The serialized field is ignored and not applied during [UxmlSerializedData.Deserialize](/engine/6000.5/script-reference/unityengine/uielements/uxmlserializeddata/deserialize.md).                       |
| [OverriddenInUxml](/engine/6000.5/script-reference/unityengine/uielements/uxmlserializeddata/uxmlattributeflags/overriddeninuxml.md) | The serialized field is overridden in a UXML file and will be applied during [UxmlSerializedData.Deserialize](/engine/6000.5/script-reference/unityengine/uielements/uxmlserializeddata/deserialize.md). |