# IsValidConnectionString method

Checks if a connection string is valid.

## Parameters

| Name | Description | Mandatory | Type |
| --- | --- | --- | --- |
| qConnection | Information about the connection. | Yes | [Connection](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/EngineJSONAPI/Content/models-connection.htm) |

## Returns

| Name | Description | Type |
| --- | --- | --- |
| qReturn | &lt;true or false&gt;<br>*True* means that the connection string is correct. | Boolean |

## Access Control

`reload`