# Delete Many

Use this API action when you request the mass deletion of your collection documents. You can set a filter to delete some portions of documents.

{% openapi src="/files/xbBaDgC6opDYR2pG5sLT" path="/{version}/db/{CollectionName}/bulk" method="delete" expanded="true" %}
[openapi.json](https://760328771-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LwSkuCpTNI_AerL8J2a%2Fuploads%2FCpzJktmKXD6FMPSah1nK%2Fopenapi.json?alt=media\&token=854cdd6a-61b2-49a5-99f4-6bc091e5c3d6)
{% endopenapi %}

{% tabs %}
{% tab title=".NET" %}

```csharp
var client = new CodeMashClient(apiKey, projectId);
var service = new CodeMashRepository<Person>(client);

await service.DeleteManyAsync(
    x => x.Name == "John"
);
```

{% hint style="info" %}
Check the information about [entities](broken://pages/-M-6_vT8PDXfwQxGKlF9) on how your filter parameters are mapped.
{% endhint %}
{% endtab %}

{% tab title="Node" %}

```
```

{% endtab %}

{% tab title="PHP" %}

```php
use Codemash\CodemashClient;
use Codemash\CodemashDb;

class CodemashService
{
    protected CodemashDb $codemashDb;
    protected string $collectionName = '{YOUR_COLLECTION_NAME}';

    public function __construct()
    {
        $secretKey = '{YOUR_SECRET_KEY}';
        $projectId = '{YOUR_PROJECT_ID}';

        $client = new CodemashClient($secretKey, $projectId);
        $this->codemashDb = new CodemashDb($client);
    }

    public function deleteMany()
    {
        $client = new CodemashClient('{YOUR_SECRET_KEY}', '{YOUR_PROJECT_ID}');
        $codemashDb = new CodemashDb($client);
        
        $responseData = $this->codemashDb->deleteMany([
        	'collectionName' => 'employees',
        	'filter' => [
        		'address' => 'New York',
        	],
        ]);
    }
}
```

{% endtab %}
{% endtabs %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.codemash.io/api/database/collections/delete-many.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.