---
title: DB - Mongo v4+
slug: litmusedge-v1/product-features/integration/integration-connectors/databases/db-mongo-v4
description: Review parameters for the DB - Mongo v4+ connector. 
docTags: 
createdAt: 2023-12-01T18:43:15.355Z
---

:::hint{type="info"}
**Note**: Available for Litmus Edge version 3.5.2 and later. 
:::

Review the [MongoDB Integration Guide](docId:0cZXAiRD8-dshxcD5hmjF). 

## Overview

MongoDB integration enables an Edge System to connect with a MongoDB database. 

## Supported Versions

- MongoDB 3.6 or higher

## Supported Communication

- Outbound (Edge to Database) - Yes
- Inbound (Database to Edge) - No

## Configurations

| **Variable**         | **Detail**                                                                                                                                                                                            | **Required** |
| -------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------ |
| Name                 | Enter a name for the connector                                                                                                                                                                        | Yes          |
| Hostname             | IP Address or Hostname of MongoDB Server (Must be reachable from the Edge system)                                                                                                                     | Yes          |
| Port                 | MongoDB Server port                                                                                                                                                                                   | Yes          |
| Username             | User name                                                                                                                                                                                             | No           |
| Password             | User password                                                                                                                                                                                         | No           |
| Auth database        | Authentication database name                                                                                                                                                                          | No           |
| Auth mechanism       | Authentication mechanism (can be one of "SCRAM-SHA-1", "MONGODB-CR", "MONGO-CR", "PLAIN", "MONGODB-X509")                                                                                             | No           |
| Database             | Database name. If database does not exist it is created.                                                                                                                                              | Yes          |
| Collection           | Collection name. If collection does not exist it is created.                                                                                                                                          | Yes          |
| Commit timeout       | Transaction commit timeout (ms)                                                                                                                                                                       | No           |
| Max transaction size | Maximum number of messages before a transaction is committed regardless of timeout                                                                                                                    | No           |
| Throttling limit     | Set a limit on the number of outbound messages per second. If sending data to a server that has restrictions on the rate of incoming messages, this ensures that no messages are lost.                | No           |
| Queue mode           | Select the sequence of data transfer: FIFO or LIFO. Selecting FIFO (First In First Out) will send the earliest message first. Selecting LIFO (Last In First Out) will send the latest message first.  | No           |
| Persistent storage   | If enabled, messages in the outbound queue are stored on disk. If there are interruptions in connection or power loss, messages will be retained and eventually sent when the connection is restored. | No           |

## Compatibility Validation

This information is just for reference. More products and versions may be supported provided they are compatible with the supported version as mentioned above.

| **Product** | **Version** |
| ----------- | ----------- |
| MongoDB     | 4.2         |