# IsValid Method

## Overloads

| [IsValid(out List<String>)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.QMSAPI.DataObjects.DocumentTask.IsValid.htm#PIX_QMSAPI_DataObjects_DocumentTask_IsValid_System_Collections_Generic_List_System_String___) |  |  |
| --- | --- | --- |

[](https://help.qlik.com/en-US/qlikview-developer/Subsystems/QMSAPIref/Content/PIX.QMSAPI.DataObjects.DocumentTask.IsValid.htm) [](https://help.qlik.com/en-US/qlikview-developer/Subsystems/QMSAPIref/Content/PIX.QMSAPI.DataObjects.DocumentTask.IsValid.htm)

## IsValid(out List&lt;String&gt;)

### Declaration

```

          public bool IsValid(out List<string> output)
    
  
```

### Parameters

| Type | Name | Description |
| --- | --- | --- |
| System.Collections.Generic.List&lt;System.String&gt; | output |  |

### Returns

| Type | Description |
| --- | --- |
| System.Boolean |  |