# ReferenceConnectionInfo Properties

- Package: [Aspire.Hosting.AWS](/reference/api/csharp/aspire.hosting.aws.md)
- Type: [ReferenceConnectionInfo](/reference/api/csharp/aspire.hosting.aws/referenceconnectioninfo.md)
- Kind: `Properties`
- Members: `1`

Supports all classes in the .NET class hierarchy and provides low-level services to derived classes. This is the ultimate base class of all .NET classes; it is the root of the type hierarchy.

## EnvironmentVariables

- Name: `EnvironmentVariables`
- Modifiers: `nullable` `get; set`
- Returns: `IDictionary<string, string>`

```csharp
public IDictionary<string, string>? EnvironmentVariables { get; set; }
```