# Function

> All allocators must implement this property, in order to be installed in the custom allocator table.

## Definition

* **Type:** Property
* **Namespace:** [Unity.Entities](/engine/7000.0/script-reference/unity/entities.md)
* **Assembly:** UnityEngine.EntitiesModule

```csharp
[ExcludeFromBurstCompatTesting("Returns managed delegate")]
public AllocatorManager.TryFunction Function { get; }
```