# AspireAzureNpgsqlExtensions

- Kind: `class`
- Package: [Aspire.Azure.Npgsql](/reference/api/csharp/aspire.azure.npgsql.md)
- Version: `13.3.0`
- Namespace: `Microsoft.Extensions.Hosting`
- Target framework: `net10.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/5bd693ae1897dee5e2ce71c2cc08879c1c7eff51/src/Components/Aspire.Azure.Npgsql/AspireAzureNpgsqlExtensions.cs)

Extension methods for connecting to an Azure Database for PostgreSQL with Npgsql client

## Definition

```csharp
namespace Microsoft.Extensions.Hosting;

public static class AspireAzureNpgsqlExtensions
{
    // ...
}
```

## Methods

- [AddAzureNpgsqlDataSource(IHostApplicationBuilder, string, Action<AzureNpgsqlSettings>, Action<NpgsqlDataSourceBuilder>)](/reference/api/csharp/aspire.azure.npgsql/aspireazurenpgsqlextensions/methods.md#addazurenpgsqldatasource-ihostapplicationbuilder-string-action-azurenpgsqlsettings-action-npgsqldatasourcebuilder) `extension` -- Registers `NpgsqlDataSource` service for connecting PostgreSQL database with Npgsql client. Configures health check, logging and telemetry for the Npgsql client.
- [AddKeyedAzureNpgsqlDataSource(IHostApplicationBuilder, string, Action<AzureNpgsqlSettings>, Action<NpgsqlDataSourceBuilder>)](/reference/api/csharp/aspire.azure.npgsql/aspireazurenpgsqlextensions/methods.md#addkeyedazurenpgsqldatasource-ihostapplicationbuilder-string-action-azurenpgsqlsettings-action-npgsqldatasourcebuilder) `extension` -- Registers `NpgsqlDataSource` as a keyed service for given `name` for connecting PostgreSQL database with Npgsql client. Configures health check, logging and telemetry for the Npgsql client.