# MongoDB Connection

## MongoDB Connection

### Description

<img src="/files/AmKVKDBoYaZJNXhgcOza" alt="MongoDB Leaf FullColor RGB" data-size="line">

Describes a MongoDB connection.

The MongoDB connection, specified on a project level, can be reused across multiple (instances of) a transform or other plugin types.

### Related Plugins

* [MongoDB Input](/data-shaper-1.21/knowing-the-data-shaper-designer/pipelines/transforms/mongodbinput.md)
* [MongoDB Output](/data-shaper-1.21/knowing-the-data-shaper-designer/pipelines/transforms/mongodboutput.md)

### Options

| Option                               | Default   | Description                                                             |
| ------------------------------------ | --------- | ----------------------------------------------------------------------- |
| MongoDB Connection name              |           | The name to use for this connection                                     |
| Hostname                             | localhost | cluster hostname                                                        |
| Port                                 | 27017     | the port for the MongoDB Database                                       |
| Database name                        |           |                                                                         |
| Authentication database              |           |                                                                         |
| Username                             |           |                                                                         |
| Password                             |           |                                                                         |
| Authentication mechanism             | PLAIN     | SCRAM\_SHA1, MONGODB\_CR or PLAIN                                       |
| User Kerberos                        | false     |                                                                         |
| Connection timeout (ms)              |           |                                                                         |
| Socket timeout (ms)                  |           |                                                                         |
| Read preference                      | PRIMARY   | PRIMARY, PRIMARY\_PREFERRED, SECONDARY, SECONDARY\_PREFERRED or NEAREST |
| Use all replica set members?         | false     |                                                                         |
| Specify the read preference tag sets |           |                                                                         |
| Use an SSL socket factory?           | false     |                                                                         |
| Write concern                        |           |                                                                         |
| Replication timeout (ms)             |           |                                                                         |
| Journaled?                           | true      |                                                                         |


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