# IdAttribute.IdAttribute(uint)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization.abstractions/orleans.idattribute/) | [Constructors](/orleans/docs/api/csharp/microsoft.orleans.serialization.abstractions/orleans.idattribute/constructors/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization.Abstractions/Annotations.cs#L272-L275)

```csharp
public IdAttribute(uint id)
```

Initializes a new instance of the [IdAttribute](/orleans/docs/api/csharp/microsoft.orleans.serialization.abstractions/orleans.idattribute/) class.

### Parameters

- `id` (`uint`): The identifier.