# ReplicaAnnotation

- Kind: `class`
- Package: [Aspire.Hosting](/reference/api/csharp/aspire.hosting.md)
- Version: `13.4.0`
- Namespace: `Aspire.Hosting.ApplicationModel`
- Target framework: `net8.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/a3766e994fd2cba86c8ac60b8a80268cab7e6383/src/Aspire.Hosting/ApplicationModel/ReplicaAnnotation.cs)
- Implements: [IResourceAnnotation](/reference/api/csharp/aspire.hosting/iresourceannotation.md)

Represents an annotation that specifies the number of replicas for a resource.

## Definition

```csharp
namespace Aspire.Hosting.ApplicationModel;

public sealed class ReplicaAnnotation
    : Aspire.Hosting.ApplicationModel.IResourceAnnotation
{
    // ...
}
```

## Constructors

- [ReplicaAnnotation(int)](/reference/api/csharp/aspire.hosting/replicaannotation/constructors.md#constructor-int) -- Represents an annotation that specifies the number of replicas for a resource.

## Properties

- [Replicas](/reference/api/csharp/aspire.hosting/replicaannotation/properties.md#replicas) : `int` `get` -- Gets the number of replicas for the application.