---
title: Couchbase
slug: /bundles-couchbase
---

import Icon from "@site/src/components/icon";
import PartialParams from '@site/docs/_partial-hidden-params.mdx';
import PartialConditionalParams from '@site/docs/_partial-conditional-params.mdx';
import PartialVectorSearchResults from '@site/docs/_partial-vector-search-results.mdx';
import PartialVectorStoreInstance from '@site/docs/_partial-vector-store-instance.mdx';

<Icon name="Blocks" aria-hidden="true" /> [**Bundles**](/components-bundle-components) contain custom components that support specific third-party integrations with Langflow.

This page describes the components that are available in the **Couchbase** bundle.

## Couchbase vector store

The **Couchbase** component reads and writes to a Couchbase vector store using an instance of `CouchbaseSearchVectorStore`.

<details>
<summary>About vector store instances</summary>

<PartialVectorStoreInstance />

</details>

<PartialVectorSearchResults />

:::tip
For a tutorial using a vector database in a flow, see [Create a vector RAG chatbot](/chat-with-rag).
:::

### Couchbase parameters

You can inspect a vector store component's parameters to learn more about the inputs it accepts, the features it supports, and how to configure it.

<PartialParams />

<PartialConditionalParams />

For information about accepted values and functionality, see the [Couchbase documentation](https://docs.couchbase.com/home/index.html) or inspect [component code](/concepts-components#component-code).

| Name | Type | Description |
|------|------|-------------|
| couchbase_connection_string | SecretString | Input parameter. Couchbase Cluster connection string. Required. |
| couchbase_username | String | Input parameter. Couchbase username for authentication. Required. |
| couchbase_password | SecretString | Input parameter. Couchbase password for authentication. Required. |
| bucket_name | String | Input parameter. Name of the Couchbase bucket. Required. |
| scope_name | String | Input parameter. Name of the Couchbase scope. Required. |
| collection_name | String | Input parameter. Name of the Couchbase collection. Required. |
| index_name | String | Input parameter. Name of the Couchbase index. Required. |
| ingest_data | JSON | Input parameter. The records to load into the vector store. Only relevant for writes. |
| search_query | String | Input parameter. The query string for vector search. Only relevant for reads. |
| cache_vector_store | Boolean | Input parameter. If `true`, the component caches the vector store in memory for faster reads. Default: Enabled (`true`). |
| embedding | Embeddings | Input parameter. The embedding function to use for the vector store. |
| number_of_results | Integer | Input parameter. Maximum number of search results to return. Default: 4. Only relevant for reads. |