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# 8.1.3 Configurando y probando graphQL

Una vez que tenemos el query lo vamos a agregar en la clase Startup.cs en el método ConfigureServices agregamos Graph (GraphQLServer), agregamos nuestra clase Query (AddQueryType\<Query>) y agregamos las opciones que utilizaremos en este caso AddProjections(), AddFiltering() y AddSorting()

{% code title="Startup.cs" %}

```csharp
public void ConfigureServices(IServiceCollection services)
{
   //Código
   services.AddGraphQLServer()
           .AddQueryType<Query>().AddProjections()
           .AddFiltering().AddSorting()
```

{% endcode %}

En el método configure agregamos la ruta para acceder a grapQL en la parte de app.UseEndpoints

{% code title="Startup.cs" %}

```csharp
public void Configure(IApplicationBuilder app,
                     IWebHostEnvironment env, 
                     ILogger<Startup> logger)
{    
    //Código
    app.UseEndpoints(endpoints =>
    {
        endpoints.MapControllers();
        endpoints.MapGraphQL("/graphql");
    });
```

{% endcode %}

Ya viene configurado con una opción para consultar tus servicios llamado [Banana Cake Pop](https://chillicream.com/docs/bananacakepop). El cual puedes acceder desde <http://localhost:5000/grapqhl\\>
\
Da clic en Browse Schema para ver la definición del esquema y probar

&#x20;![](/files/hlnqZSnH1W1Ctve0sjaB)

Puedes configurar mas opciones como la autenticación. Da clic en Apply

![](/files/VBcUmIIEFh1TkXQepicH)

Da  clic en el tab **Operations** y Agrega lo siguiente para traer algunos campos de la tabla caducidad

```graphql
query TestQuery {
  caducidad(order: { fecha: ASC }) {
    id
    fecha
    producto {
      nombre
    }
    cliente {
      id
      nombreComercial
      razonSocial
    }
  }
}
```

![](/files/4vzmMDHmM6k3q7BLDDLV)


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