# PhysicsCallbacks.TriggerCallbackTargets

> Contains all the trigger callback targets returned from PhysicsWorld.GetTriggerCallbackTargets.

## Definition

* **Type:** Struct
* **Namespace:** [Unity.U2D.Physics](/engine/6000.7/script-reference/unity/u2d/physics.md)
* **Assembly:** UnityEngine.PhysicsCore2DModule
* **Implements:** [IDisposable](https://learn.microsoft.com/dotnet/api/system.idisposable), [IEquatable\<TriggerCallbackTargets>](https://learn.microsoft.com/dotnet/api/system.iequatable-1)

```csharp
public readonly struct PhysicsCallbacks.TriggerCallbackTargets : IDisposable, IEquatable<PhysicsCallbacks.TriggerCallbackTargets>
```

## Properties

| Property                                                                                                                                  | Description        |
| ----------------------------------------------------------------------------------------------------------------------------------------- | ------------------ |
| [BeginCallbackTargets](/engine/6000.7/script-reference/unity/u2d/physics/physicscallbacks/triggercallbacktargets/begincallbacktargets.md) | The begin targets. |
| [EndCallbackTargets](/engine/6000.7/script-reference/unity/u2d/physics/physicscallbacks/triggercallbacktargets/endcallbacktargets.md)     | The end targets.   |

## Methods

| Method                                                                                                          | Description                                                                                                         |
| --------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------- |
| [Dispose](/engine/6000.7/script-reference/unity/u2d/physics/physicscallbacks/triggercallbacktargets/dispose.md) | Dispose of any allocated memory. This must be called if any targets are returned otherwise memory leaks will occur. |

## Structs

| Struct                                                                                                                                                                       | Description                               |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------- |
| [PhysicsCallbacks.TriggerCallbackTargets.TriggerBeginTarget](/engine/6000.7/script-reference/unity/u2d/physics/physicscallbacks/triggercallbacktargetstriggerbegintarget.md) | Trigger begin event target for callbacks. |
| [PhysicsCallbacks.TriggerCallbackTargets.TriggerEndTarget](/engine/6000.7/script-reference/unity/u2d/physics/physicscallbacks/triggercallbacktargetstriggerendtarget.md)     | Trigger end event target for callbacks.   |