# CustomResourceKnownProperties Properties

- Package: [Aspire.Hosting](/reference/api/csharp/aspire.hosting.md)
- Type: [CustomResourceKnownProperties](/reference/api/csharp/aspire.hosting/customresourceknownproperties.md)
- Kind: `Properties`
- Members: `2`

Known properties for resources that show up in the dashboard.

## ConnectionString

- Name: `ConnectionString`
- Modifiers: `static` `get`
- Returns: `string`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/bd20f904cde09ecb9c9ae5116a6f13614bf2d7c2/src/Aspire.Hosting/ApplicationModel/CustomResourceKnownProperties.cs#L21)

The connection string of the resource

```csharp
public static string ConnectionString { get; }
```

## Source

- Name: `Source`
- Modifiers: `static` `get`
- Returns: `string`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/bd20f904cde09ecb9c9ae5116a6f13614bf2d7c2/src/Aspire.Hosting/ApplicationModel/CustomResourceKnownProperties.cs#L16)

The source of the resource

```csharp
public static string Source { get; }
```