# CalculateFullNameHash(string)

> Calculate a hash for a component's full type name. Used at TypeManager initialization internally.

## Definition

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

```csharp
public static ulong CalculateFullNameHash(string fullName)
```

### Parameters

**** (\[string]\(https\://learn.microsoft.com/dotnet/api/system.string)): Type.FullName of a component type

### Returns

| Type                                                          | Description                 |
| ------------------------------------------------------------- | --------------------------- |
| [ulong](https://learn.microsoft.com/dotnet/api/system.uint64) | Hash of component type name |