---
sidebar_position: 1
description: Create connection  and other functions to work with MongoDB in the Open Integration Package, a free open-source integration library for 1C:Enterprise 8, OneScript and CLI
keywords: [1C, 1С, 1С:Enterprise, 1С:Enterprise 8.3, API, Integration, Services, Exchange, OneScript, CLI, MongoDB]
---

import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';

# Create connection 
 Creates a connection to the specified base



`Function CreateConnection(Val ConnectionString) Export`

  | Parameter | CLI option | Type | Required | Description |
  |-|-|-|-|-|
  | ConnectionString | - | String | &#x2714; | Connection string |

  
  Returns:  Arbitrary - Connector object or structure with error information


:::caution
**NOCLI:** this method is not available in CLI version
:::
<br/>


```bsl title="1C:Enterprise/OneScript code example"
    Address  = "127.0.0.1:1234";
    Login    = "bayselonarrend";
    Password = "12we...";
    Base     = "main";

    ConnectionParams = New Structure("authSource", "admin");
    ConnectionString = OPI_MongoDB.GenerateConnectionString(Address, Base, Login, Password, ConnectionParams);

    Result = OPI_MongoDB.CreateConnection(ConnectionString);
```
 



```json title="Result"
"AddIn.OPI_MongoDB.Main"
```
