# NameValidationPolicyAnnotation Constructors

- Package: [Aspire.Hosting](/reference/api/csharp/aspire.hosting.md)
- Type: [NameValidationPolicyAnnotation](/reference/api/csharp/aspire.hosting/namevalidationpolicyannotation.md)
- Kind: `Constructors`
- Members: `1`

Represents an annotation that customizes the name validation rules applied to a resource when it is added to the application model.

## NameValidationPolicyAnnotation

- Name: `Constructor`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/bd20f904cde09ecb9c9ae5116a6f13614bf2d7c2/src/Aspire.Hosting/ApplicationModel/NameValidationPolicyAnnotation.cs#L42-L66)

```csharp
public sealed class NameValidationPolicyAnnotation
{
    public NameValidationPolicyAnnotation()
    {
        // ...
    }
}
```