# ConnectionConstruct Properties

- Package: [Aspire.Hosting.Radius](/reference/api/csharp/aspire.hosting.radius.md)
- Type: [ConnectionConstruct](/reference/api/csharp/aspire.hosting.radius/connectionconstruct.md)
- Kind: `Properties`
- Members: `1`

Represents a connection entry in a container's connections block.

<a id="source"></a>

## Source

- Name: `Source`
- Modifiers: `get; set`
- Returns: `BicepValue<string>`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/b5f143315ffb6968ea939a9978797a5b20e4c688/src/Aspire.Hosting.Radius/Publishing/Constructs/ConnectionConstruct.cs)

Reference to the source resource ID.

```csharp
public BicepValue<string> Source { get; set; }
```