# ModifyConnection method

Updates a connection.

Information note

The identifier of a connection cannot be updated. qType cannot be modified with the ModifyConnection method.

## Parameters

| Name | Description | Mandatory | Type |
| --- | --- | --- | --- |
| qConnectionId | Identifier of the connection. | Yes | String |
| qConnection | Information about the connection.<br>Properties that can be updated. | Yes | [Connection](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/EngineJSONAPI/Content/models-connection.htm) |
| qOverrideCredentials | Set this parameter to true to override the user name and password. | No | Boolean |

## Access Control

`update`