# AbstractBaseField

> Non-generic abstract base class for field controls.

## Definition

* **Type:** Class
* **Namespace:** [UnityEngine.UIElements](/engine/7000.0/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule
* **Inherits from:** [BindableElement](/engine/7000.0/script-reference/unityengine/uielements/bindableelement.md)
* **Implements:** [IEventHandler](/engine/7000.0/script-reference/unityengine/uielements/ieventhandler.md), [IResolvedStyle](/engine/7000.0/script-reference/unityengine/uielements/iresolvedstyle.md), [ITransform](/engine/7000.0/script-reference/unityengine/uielements/itransform.md), [ITransitionAnimations](/engine/7000.0/script-reference/unityengine/uielements/experimental/itransitionanimations.md), [IExperimentalFeatures](/engine/7000.0/script-reference/unityengine/uielements/iexperimentalfeatures.md), [IVisualElementScheduler](/engine/7000.0/script-reference/unityengine/uielements/ivisualelementscheduler.md), [ICustomStyle](/engine/7000.0/script-reference/unityengine/uielements/icustomstyle.md), [IBindable](/engine/7000.0/script-reference/unityengine/uielements/ibindable.md), [IMixedValueSupport](/engine/7000.0/script-reference/unityengine/uielements/imixedvaluesupport.md)

```csharp
[UxmlElement]
public abstract class AbstractBaseField : BindableElement, IEventHandler, IResolvedStyle, ITransform, ITransitionAnimations, IExperimentalFeatures, IVisualElementScheduler, ICustomStyle, IBindable, IMixedValueSupport
```

## Static Fields

| Value                                                                                                                                          | Description                                                                                  |
| ---------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------- |
| [alignedFieldUssClassName](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/alignedfieldussclassname.md)               | USS class name of elements that are aligned in a inspector element                           |
| [inputUssClassName](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/inputussclassname.md)                             | USS class name of input elements in elements of this type.                                   |
| [labelDraggerVariantUssClassName](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/labeldraggervariantussclassname.md) | USS class name of labels in elements of this type, when there is a dragger attached on them. |
| [labelUssClassName](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/labelussclassname.md)                             | USS class name of labels in elements of this type.                                           |
| [mixedValueLabelUssClassName](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/mixedvaluelabelussclassname.md)         | USS class name of elements that show mixed values                                            |
| [noLabelVariantUssClassName](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/nolabelvariantussclassname.md)           | USS class name of elements of this type, when there is no label.                             |
| [ussClassName](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/ussclassname.md)                                       | USS class name of elements of this type.                                                     |

## Properties

| Property                                                                                                       | Description                                                                                                                                                                                                            |
| -------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [label](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/label.md)                     | The string representing the label that will appear beside the field. If the string is empty, the label element is removed from the hierarchy. If the string is not empty, the label element is added to the hierarchy. |
| [labelElement](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/labelelement.md)       | This is the [Label](/engine/7000.0/script-reference/unityengine/uielements/label.md) object that appears beside the input for the field.                                                                               |
| [mixedValueLabel](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/mixedvaluelabel.md) | Read-only label used to give the appearance of editing multiple different values.                                                                                                                                      |
| [showMixedValue](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/showmixedvalue.md)   | When set to true, gives the field the appearance of editing multiple different values.                                                                                                                                 |

## Methods

| Method                                                                                                                         | Description                                                    |
| ------------------------------------------------------------------------------------------------------------------------------ | -------------------------------------------------------------- |
| [UpdateMixedValueContent](/engine/7000.0/script-reference/unityengine/uielements/abstractbasefield/updatemixedvaluecontent.md) | Update the field's visual content depending on showMixedValue. |

## Inheritance

**Inherited Members:**

* [BindableElement.binding](/engine/7000.0/script-reference/unityengine/uielements/bindableelement/binding.md)
* [BindableElement.bindingPath](/engine/7000.0/script-reference/unityengine/uielements/bindableelement/bindingpath.md)
* [VisualElement.disabledUssClassName](/engine/7000.0/script-reference/unityengine/uielements/visualelement/disabledussclassname.md)
* [VisualElement.MarkDirtyStyles()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/markdirtystyles.md)
* [VisualElement.NotifyComponentChanged(BindingId)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/notifycomponentchanged.md)
* [VisualElement.MarkComponentDirty\<T>()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/markcomponentdirty.md)
* [VisualElement.AddComponent\<T>(T)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/addcomponent.md)
* [VisualElement.GetOrAddComponent\<T>()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/getoraddcomponent.md)
* [VisualElement.GetComponent\<T>()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/getcomponent.md)
* [VisualElement.GetComponentRefOrNullRef\<T>()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/getcomponentrefornullref.md)
* [VisualElement.HasComponent\<T>()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/hascomponent.md)
* [VisualElement.RemoveComponent\<T>()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/removecomponent.md)
* [VisualElement.TryRemoveComponent\<T>()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/tryremovecomponent.md)
* [VisualElement.SetActivePseudoState(bool)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/setactivepseudostate.md)
* [VisualElement.SetCheckedPseudoState(bool)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/setcheckedpseudostate.md)
* [VisualElement.ReleaseResources()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/releaseresources.md)
* [VisualElement.SendEvent(EventBase)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/sendevent.md)
* [VisualElement.SetEnabled(bool)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/setenabled.md)
* [VisualElement.MarkDirtyRepaint()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/markdirtyrepaint.md)
* [VisualElement.IsMarkedForRepaint()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/ismarkedforrepaint.md)
* [VisualElement.ContainsPoint(Vector2)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/containspoint.md)
* [VisualElement.GetClasses()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/getclasses.md)
* [VisualElement.GetClassNames()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/getclassnames.md)
* [VisualElement.ClearClassList()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/clearclasslist.md)
* [VisualElement.AddToClassList(string)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/addtoclasslist.md#addtoclasslist\(string\))
* [VisualElement.AddToClassList(UniqueStyleString)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/addtoclasslist.md#addtoclasslist\(uniquestylestring\))
* [VisualElement.AddToClassList(string, string)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/addtoclasslist.md#addtoclasslist\(string-string\))
* [VisualElement.AddToClassList(UniqueStyleString, UniqueStyleString)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/addtoclasslist.md#addtoclasslist\(uniquestylestring-uniquestylestring\))
* [VisualElement.AddToClassList(string\[\])](/engine/7000.0/script-reference/unityengine/uielements/visualelement/addtoclasslist.md#addtoclasslist\(string\))
* [VisualElement.AddToClassList(UniqueStyleString\[\])](/engine/7000.0/script-reference/unityengine/uielements/visualelement/addtoclasslist.md#addtoclasslist\(uniquestylestring\))
* [VisualElement.AddToClassList(ReadOnlySpan\<UniqueStyleString>)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/addtoclasslist.md#addtoclasslist\(readonlyspanuniquestylestring\))
* [VisualElement.RemoveFromClassList(string)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/removefromclasslist.md#removefromclasslist\(string\))
* [VisualElement.RemoveFromClassList(UniqueStyleString)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/removefromclasslist.md#removefromclasslist\(uniquestylestring\))
* [VisualElement.ToggleInClassList(string)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/toggleinclasslist.md#toggleinclasslist\(string\))
* [VisualElement.ToggleInClassList(UniqueStyleString)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/toggleinclasslist.md#toggleinclasslist\(uniquestylestring\))
* [VisualElement.EnableInClassList(string, bool)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/enableinclasslist.md#enableinclasslist\(string-bool\))
* [VisualElement.EnableInClassList(UniqueStyleString, bool)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/enableinclasslist.md#enableinclasslist\(uniquestylestring-bool\))
* [VisualElement.ClassListContains(string)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/classlistcontains.md#classlistcontains\(string\))
* [VisualElement.ClassListContains(UniqueStyleString)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/classlistcontains.md#classlistcontains\(uniquestylestring\))
* [VisualElement.FindAncestorUserData()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/findancestoruserdata.md)
* [VisualElement.SetBinding(BindingId, Binding)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/setbinding.md)
* [VisualElement.GetBinding(BindingId)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/getbinding.md)
* [VisualElement.TryGetBinding(BindingId, Binding)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/trygetbinding.md)
* [VisualElement.GetBindingInfos()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/getbindinginfos.md#getbindinginfos\(\))
* [VisualElement.GetBindingInfos(List\<BindingInfo>)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/getbindinginfos.md#getbindinginfos\(listbindinginfo\))
* [VisualElement.HasBinding(BindingId)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/hasbinding.md)
* [VisualElement.ClearBinding(BindingId)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/clearbinding.md)
* [VisualElement.ClearBindings()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/clearbindings.md)
* [VisualElement.GetHierarchicalDataSourceContext()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/gethierarchicaldatasourcecontext.md)
* [VisualElement.GetDataSourceContext(BindingId)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/getdatasourcecontext.md)
* [VisualElement.TryGetDataSourceContext(BindingId, DataSourceContext)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/trygetdatasourcecontext.md)
* [VisualElement.TryGetLastBindingToUIResult(BindingId, BindingResult)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/trygetlastbindingtouiresult.md)
* [VisualElement.TryGetLastBindingToSourceResult(BindingId, BindingResult)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/trygetlastbindingtosourceresult.md)
* [VisualElement.Add(VisualElement)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/add.md)
* [VisualElement.Insert(int, VisualElement)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/insert.md)
* [VisualElement.Remove(VisualElement)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/remove.md)
* [VisualElement.RemoveAt(int)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/removeat.md)
* [VisualElement.Clear()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/clear.md#clear\(\))
* [VisualElement.Clear(VisualElementClearOptions)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/clear.md#clear\(visualelementclearoptions\))
* [VisualElement.ElementAt(int)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/elementat.md)
* [VisualElement.IndexOf(VisualElement)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/indexof.md)
* [VisualElement.Children()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/children.md)
* [VisualElement.Sort(Comparison\<VisualElement>)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/sort.md)
* [VisualElement.BringToFront()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/bringtofront.md)
* [VisualElement.SendToBack()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/sendtoback.md)
* [VisualElement.PlaceBehind(VisualElement)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/placebehind.md)
* [VisualElement.PlaceInFront(VisualElement)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/placeinfront.md)
* [VisualElement.RemoveFromHierarchy()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/removefromhierarchy.md)
* [VisualElement.GetFirstOfType\<T>()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/getfirstoftype.md)
* [VisualElement.GetFirstAncestorOfType\<T>()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/getfirstancestoroftype.md)
* [VisualElement.Contains(VisualElement)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/contains.md)
* [VisualElement.FindCommonAncestor(VisualElement)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/findcommonancestor.md)
* [VisualElement.AddMeshModifier(MeshModificationCallback, bool, int)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/addmeshmodifier.md)
* [VisualElement.ClearMeshModifiers()](/engine/7000.0/script-reference/unityengine/uielements/visualelement/clearmeshmodifiers.md)
* [VisualElement.RemoveMeshModifier(MeshModificationCallback)](/engine/7000.0/script-reference/unityengine/uielements/visualelement/removemeshmodifier.md)
* [VisualElement.userData](/engine/7000.0/script-reference/unityengine/uielements/visualelement/userdata.md)
* [VisualElement.disablePlayModeTint](/engine/7000.0/script-reference/unityengine/uielements/visualelement/disableplaymodetint.md)
* [VisualElement.scaledPixelsPerPoint](/engine/7000.0/script-reference/unityengine/uielements/visualelement/scaledpixelsperpoint.md)
* [VisualElement.layout](/engine/7000.0/script-reference/unityengine/uielements/visualelement/layout.md)
* [VisualElement.contentRect](/engine/7000.0/script-reference/unityengine/uielements/visualelement/contentrect.md)
* [VisualElement.paddingRect](/engine/7000.0/script-reference/unityengine/uielements/visualelement/paddingrect.md)
* [VisualElement.worldBound](/engine/7000.0/script-reference/unityengine/uielements/visualelement/worldbound.md)
* [VisualElement.localBound](/engine/7000.0/script-reference/unityengine/uielements/visualelement/localbound.md)
* [VisualElement.worldTransform](/engine/7000.0/script-reference/unityengine/uielements/visualelement/worldtransform.md)
* [VisualElement.hasActivePseudoState](/engine/7000.0/script-reference/unityengine/uielements/visualelement/hasactivepseudostate.md)
* [VisualElement.hasInactivePseudoState](/engine/7000.0/script-reference/unityengine/uielements/visualelement/hasinactivepseudostate.md)
* [VisualElement.hasHoverPseudoState](/engine/7000.0/script-reference/unityengine/uielements/visualelement/hashoverpseudostate.md)
* [VisualElement.hasCheckedPseudoState](/engine/7000.0/script-reference/unityengine/uielements/visualelement/hascheckedpseudostate.md)
* [VisualElement.hasEnabledPseudoState](/engine/7000.0/script-reference/unityengine/uielements/visualelement/hasenabledpseudostate.md)
* [VisualElement.hasDisabledPseudoState](/engine/7000.0/script-reference/unityengine/uielements/visualelement/hasdisabledpseudostate.md)
* [VisualElement.hasFocusPseudoState](/engine/7000.0/script-reference/unityengine/uielements/visualelement/hasfocuspseudostate.md)
* [VisualElement.hasRootPseudoState](/engine/7000.0/script-reference/unityengine/uielements/visualelement/hasrootpseudostate.md)
* [VisualElement.name](/engine/7000.0/script-reference/unityengine/uielements/visualelement/name.md)
* [VisualElement.enabledSelf](/engine/7000.0/script-reference/unityengine/uielements/visualelement/enabledself.md)
* [VisualElement.viewDataKey](/engine/7000.0/script-reference/unityengine/uielements/visualelement/viewdatakey.md)
* [VisualElement.pickingMode](/engine/7000.0/script-reference/unityengine/uielements/visualelement/pickingmode.md)
* [VisualElement.tooltip](/engine/7000.0/script-reference/unityengine/uielements/visualelement/tooltip.md)
* [VisualElement.usageHints](/engine/7000.0/script-reference/unityengine/uielements/visualelement/usagehints.md)
* [VisualElement.languageDirection](/engine/7000.0/script-reference/unityengine/uielements/visualelement/languagedirection.md)
* [VisualElement.dataSourceType](/engine/7000.0/script-reference/unityengine/uielements/visualelement/datasourcetype.md)
* [VisualElement.resourcesReleased](/engine/7000.0/script-reference/unityengine/uielements/visualelement/resourcesreleased.md)
* [VisualElement.enabledInHierarchy](/engine/7000.0/script-reference/unityengine/uielements/visualelement/enabledinhierarchy.md)
* [VisualElement.visible](/engine/7000.0/script-reference/unityengine/uielements/visualelement/visible.md)
* [VisualElement.generateVisualContent](/engine/7000.0/script-reference/unityengine/uielements/visualelement/generatevisualcontent.md)
* [VisualElement.dataSource](/engine/7000.0/script-reference/unityengine/uielements/visualelement/datasource.md)
* [VisualElement.dataSourcePath](/engine/7000.0/script-reference/unityengine/uielements/visualelement/datasourcepath.md)
* [VisualElement.experimental](/engine/7000.0/script-reference/unityengine/uielements/visualelement/experimental.md)
* [VisualElement.hierarchy](/engine/7000.0/script-reference/unityengine/uielements/visualelement/hierarchy-1.md)
* [VisualElement.parent](/engine/7000.0/script-reference/unityengine/uielements/visualelement/parent.md)
* [VisualElement.panel](/engine/7000.0/script-reference/unityengine/uielements/visualelement/panel.md)
* [VisualElement.contentContainer](/engine/7000.0/script-reference/unityengine/uielements/visualelement/contentcontainer.md)
* [VisualElement.visualTreeAssetSource](/engine/7000.0/script-reference/unityengine/uielements/visualelement/visualtreeassetsource.md)
* [VisualElement.this\[int\]](/engine/7000.0/script-reference/unityengine/uielements/visualelement/item.md)
* [VisualElement.childCount](/engine/7000.0/script-reference/unityengine/uielements/visualelement/childcount.md)
* [VisualElement.schedule](/engine/7000.0/script-reference/unityengine/uielements/visualelement/schedule.md)
* [VisualElement.style](/engine/7000.0/script-reference/unityengine/uielements/visualelement/style.md)
* [VisualElement.resolvedStyle](/engine/7000.0/script-reference/unityengine/uielements/visualelement/resolvedstyle.md)
* [VisualElement.customStyle](/engine/7000.0/script-reference/unityengine/uielements/visualelement/customstyle.md)
* [VisualElement.styleSheets](/engine/7000.0/script-reference/unityengine/uielements/visualelement/stylesheets.md)
* [Focusable.Blur()](/engine/7000.0/script-reference/unityengine/uielements/focusable/blur.md)
* [Focusable.focusable](/engine/7000.0/script-reference/unityengine/uielements/focusable/focusable.md)
* [Focusable.tabIndex](/engine/7000.0/script-reference/unityengine/uielements/focusable/tabindex.md)
* [Focusable.delegatesFocus](/engine/7000.0/script-reference/unityengine/uielements/focusable/delegatesfocus.md)
* [CallbackEventHandler.RegisterCallback\<T>(EventCallback\<T>, TrickleDown)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/registercallback.md)
* [CallbackEventHandler.RegisterCallbackOnce\<T>(EventCallback\<T>, TrickleDown)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/registercallbackonce.md)
* [CallbackEventHandler.RegisterCallback\<T, U>(EventCallback\<T, T>, T, TrickleDown)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/registercallback.md)
* [CallbackEventHandler.RegisterCallbackOnce\<T, U>(EventCallback\<T, T>, T, TrickleDown)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/registercallbackonce.md)
* [CallbackEventHandler.RegisterCallback\<T>(EventCallback\<T>, CallbackOptions)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/registercallback.md)
* [CallbackEventHandler.RegisterCallback\<T, U>(EventCallback\<T, T>, T, CallbackOptions)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/registercallback.md)
* [CallbackEventHandler.UnregisterCallback\<T>(EventCallback\<T>, TrickleDown)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/unregistercallback.md)
* [CallbackEventHandler.UnregisterCallback\<T, U>(EventCallback\<T, T>, TrickleDown)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/unregistercallback.md)
* [CallbackEventHandler.UnregisterCallback\<T>(EventCallback\<T>, CallbackOptions)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/unregistercallback.md)
* [CallbackEventHandler.UnregisterCallback\<T, U>(EventCallback\<T, T>, CallbackOptions)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/unregistercallback.md)
* [CallbackEventHandler.UnregisterAllRemovableCallbacks()](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/unregisterallremovablecallbacks.md)
* [CallbackEventHandler.HasTrickleDownHandlers()](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/hastrickledownhandlers.md)
* [CallbackEventHandler.HasBubbleUpHandlers()](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/hasbubbleuphandlers.md)
* [CallbackEventHandler.HandleEventTrickleDown(EventBase)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/handleeventtrickledown.md)
* [CallbackEventHandler.NotifyPropertyChanged(BindingId)](/engine/7000.0/script-reference/unityengine/uielements/callbackeventhandler/notifypropertychanged.md)