# ContainerPortReference

- Kind: `class`
- Package: [Aspire.Hosting](/reference/api/csharp/aspire.hosting.md)
- Version: `13.3.0`
- Namespace: `Aspire.Hosting.ApplicationModel`
- Target framework: `net8.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/bd20f904cde09ecb9c9ae5116a6f13614bf2d7c2/src/Aspire.Hosting/ApplicationModel/ContainerPortReference.cs)
- Implements: [IManifestExpressionProvider](/reference/api/csharp/aspire.hosting/imanifestexpressionprovider.md), [IValueProvider](/reference/api/csharp/aspire.hosting/ivalueprovider.md), [IValueWithReferences](/reference/api/csharp/aspire.hosting/ivaluewithreferences.md)

Represents a TCP/UDP port that a container can expose.

## Definition

```csharp
namespace Aspire.Hosting.ApplicationModel;

public class ContainerPortReference
    : Aspire.Hosting.ApplicationModel.IManifestExpressionProvider,
      Aspire.Hosting.ApplicationModel.IValueProvider,
      Aspire.Hosting.ApplicationModel.IValueWithReferences
{
    // ...
}
```

## Constructors

- [ContainerPortReference(IResource)](/reference/api/csharp/aspire.hosting/containerportreference/constructors.md#constructor-iresource) -- Represents a TCP/UDP port that a container can expose.

## Properties

- [References](/reference/api/csharp/aspire.hosting/containerportreference/properties.md#references) : `IEnumerable<object>` `get` `ats ignored` -- The referenced objects of the value.
- [Resource](/reference/api/csharp/aspire.hosting/containerportreference/properties.md#resource) : [IResource](/reference/api/csharp/aspire.hosting/iresource.md) `get` -- Gets the resource that this container port is associated with.
- [ValueExpression](/reference/api/csharp/aspire.hosting/containerportreference/properties.md#valueexpression) : `string` `get` -- Gets the expression that represents a value in manifest.