# MosquittoServerResource

- Kind: `class`
- Package: [CommunityToolkit.Aspire.Hosting.Mosquitto](/reference/api/csharp/communitytoolkit.aspire.hosting.mosquitto.md)
- Version: `13.5.0`
- Namespace: `Aspire.Hosting.ApplicationModel`
- Target framework: `net10.0`
- Source: [GitHub](https://github.com/CommunityToolkit/Aspire/blob/4ff8268fbd97ddd23cb73dc8eff9cc92718156d1/src/CommunityToolkit.Aspire.Hosting.Mosquitto/MosquittoServerResource.cs)
- Inherits: `ContainerResource`
- Implements: `IExpressionValue`, `IManifestExpressionProvider`, `IResource`, `IResourceWithConnectionString`, `IValueProvider`, `IValueWithReferences`

A resource that represents a Mosquitto MQTT broker container.

## Definition

```csharp
namespace Aspire.Hosting.ApplicationModel;

public class MosquittoServerResource
    : Aspire.Hosting.ApplicationModel.ContainerResource,
      Aspire.Hosting.ApplicationModel.IExpressionValue,
      Aspire.Hosting.ApplicationModel.IManifestExpressionProvider,
      Aspire.Hosting.ApplicationModel.IResource,
      Aspire.Hosting.ApplicationModel.IResourceWithConnectionString,
      Aspire.Hosting.ApplicationModel.IValueProvider,
      Aspire.Hosting.ApplicationModel.IValueWithReferences
{
    // ...
}
```

## ATS metadata

### ATS export

- Type ID: `CommunityToolkit.Aspire.Hosting.Mosquitto/MosquittoServerResource`
- Public instance properties are exported as ATS capabilities.

## Remarks

Mosquitto is an open source MQTT message broker. The [MosquittoServerResource.ConnectionStringExpression](/reference/api/csharp/communitytoolkit.aspire.hosting.mosquitto/mosquittoserverresource/properties.md#connectionstringexpression) returns a `mqtt://host:port` URI that MQTT clients use to connect.

## Constructors

- [MosquittoServerResource(string)](/reference/api/csharp/communitytoolkit.aspire.hosting.mosquitto/mosquittoserverresource/constructors.md#constructor-string) -- A resource that represents a Mosquitto MQTT broker container.

## Properties

- [ConnectionStringExpression](/reference/api/csharp/communitytoolkit.aspire.hosting.mosquitto/mosquittoserverresource/properties.md#connectionstringexpression) : `ReferenceExpression` `get` -- Gets the connection string expression for the Mosquitto broker in the form of `mqtt://host:port`, suitable for use by MQTT clients.
- [Host](/reference/api/csharp/communitytoolkit.aspire.hosting.mosquitto/mosquittoserverresource/properties.md#host) : `EndpointReferenceExpression` `get` -- Gets the host of the primary MQTT endpoint.
- [Port](/reference/api/csharp/communitytoolkit.aspire.hosting.mosquitto/mosquittoserverresource/properties.md#port) : `EndpointReferenceExpression` `get` -- Gets the port of the primary MQTT endpoint.
- [PrimaryEndpoint](/reference/api/csharp/communitytoolkit.aspire.hosting.mosquitto/mosquittoserverresource/properties.md#primaryendpoint) : `EndpointReference` `get` -- Gets the primary MQTT endpoint for the Mosquitto broker.
- [UriExpression](/reference/api/csharp/communitytoolkit.aspire.hosting.mosquitto/mosquittoserverresource/properties.md#uriexpression) : `ReferenceExpression` `get` -- Gets the connection URI expression for the Mosquitto broker.