# Error in Xamarin Forms using NEST Package

**URL:** <https://discuss.elastic.co/t/error-in-xamarin-forms-using-nest-package/205582>\
**Category:** Elasticsearch\
**Created:** [October 29, 2019, 4:47am UTC](https://discuss.elastic.co/t/error-in-xamarin-forms-using-nest-package/205582 "2019-10-29T04:47:27Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Enrique\_Mainero\_Sali](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/enrique_mainero_sali/32/56464_2.png) [@Enrique\_Mainero\_Sali](https://discuss.elastic.co/u/Enrique_Mainero_Sali)\
**Post date:** [October 29, 2019, 4:47am UTC](https://discuss.elastic.co/t/error-in-xamarin-forms-using-nest-package/205582/1 "2019-10-29T04:47:27Z")

</div>

I am implementing a basic test using the Nuget Nest package, and it throws me the following error:  
SystemPlatformNotSupportedException.

var node = new Uri ("the\_uri");  
var pool = new SingleNodeConnectionPool (node);  
var settings = new ConnectionSettings (pool);  
settings.BasicAuthentication (\_user, \_passw);  
settings.PrettyJson (true);  
settings.RequestTimeout (new TimeSpan (0,0,5));  
settings.DefaultIndex ("mm\_campanias\_dev");  
var client = new ElasticClient (settings);

```
        var searchResults = client.Search <Campania> (s => s
            .Query (q => q
                 .Term (p => p.status, true)
            )
        );

```

Arriving at this line sends the error: var settings = new ConnectionSettings (pool);

Any ideas, I hope you can help me.

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [November 26, 2019, 4:47am UTC](https://discuss.elastic.co/t/error-in-xamarin-forms-using-nest-package/205582/2 "2019-11-26T04:47:33Z")

</div>

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