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---
title: Using the Semantic Kernel Azure CosmosDB MongoDB (vCore) Vector Store connector (Preview)
description: Contains information on how to use a Semantic Kernel Vector store connector to access and manipulate data in Azure CosmosDB MongoDB (vCore).
title: Using the Semantic Kernel Azure DocumentDB (with MongoDB compatibility) Vector Store connector (Preview)
description: Contains information on how to use a Semantic Kernel Vector store connector to access and manipulate data in Azure DocumentDB (with MongoDB compatibility).
zone_pivot_groups: programming-languages
author: westey-m
ms.topic: article
ms.author: westey
ms.date: 09/23/2024
ms.date: 08/12/2026
ms.service: semantic-kernel
---
# Using the Azure CosmosDB MongoDB (vCore) Vector Store connector (Preview)
# Using the Azure DocumentDB (with MongoDB compatibility) Vector Store connector (Preview)

::: zone pivot="programming-language-csharp"

> [!WARNING]
> The Azure CosmosDB MongoDB (vCore) Vector Store functionality is in preview, and improvements that require breaking changes may still occur in limited circumstances before release.
> The Azure DocumentDB Vector Store functionality is in preview, and improvements that require breaking changes may still occur in limited circumstances before release.

::: zone-end
::: zone pivot="programming-language-python"
Expand All @@ -31,13 +31,13 @@ ms.service: semantic-kernel

## Overview

The Azure CosmosDB MongoDB Vector Store connector can be used to access and manage data in Azure CosmosDB MongoDB (vCore). The connector has the following characteristics.
The Azure CosmosDB MongoDB Vector Store connector can be used to access and manage data in Azure DocumentDB. The connector has the following characteristics.

::: zone pivot="programming-language-csharp"

| Feature Area | Support |
| ------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Collection maps to | Azure Cosmos DB MongoDB (vCore) Collection + Index |
| Collection maps to | Azure DocumentDB Collection + Index |
| Supported key property types | string |
| Supported data property types | <ul><li>string</li><li>int</li><li>long</li><li>double</li><li>float</li><li>decimal</li><li>bool</li><li>DateTime</li><li>*and enumerables of each of these types*</li></ul> |
| Supported vector property types | <ul><li>ReadOnlyMemory\<float\></li><li>Embedding\<float\></li><li>float[]</li></ul> |
Expand All @@ -55,7 +55,7 @@ The Azure CosmosDB MongoDB Vector Store connector can be used to access and mana

| Feature Area | Support |
| ------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Collection maps to | Azure Cosmos DB MongoDB (vCore) Collection + Index |
| Collection maps to | Azure DocumentDB Collection + Index |
| Supported key property types | string |
| Supported data property types | <ul><li>string</li><li>int</li><li>long</li><li>double</li><li>float</li><li>decimal</li><li>bool</li><li>DateTime</li><li>*and iterables of each of these types*</li></ul> |
| Supported vector property types | <ul><li>list[float]</li><li>list[int]</li><li>ndarray</li></ul> |
Expand All @@ -73,7 +73,7 @@ More info coming soon.

## Limitations

This connector is compatible with Azure Cosmos DB MongoDB (vCore) and is *not* designed to be compatible with Azure Cosmos DB MongoDB (RU).
This connector is compatible with Azure DocumentDB and is *not* designed to be compatible with Azure Cosmos DB MongoDB (RU).

::: zone pivot="programming-language-csharp"

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