# AddUniqueRange Method

## Overloads

| [AddUniqueRange(HashSet<String>, List<IEnumerable<QvServicesConfigValues>>)](https://help.qlik.com/en-US/qlikview-developer/September2025/Subsystems/QMSAPIref/Content/PIX.QvServicesConfigValuesGeneralExtensions.AddUniqueRange.htm#PIX_QvServicesConfigValuesGeneralExtensions_AddUniqueRange_System_Collections_Generic_HashSet_System_String__System_Collections_Generic_List_System_Collections_Generic_IEnumerable_PIX_QvServicesConfigValues___) |  |  |
| --- | --- | --- |

[](https://help.qlik.com/en-US/qlikview-developer/Subsystems/QMSAPIref/Content/PIX.QvServicesConfigValuesGeneralExtensions.AddUniqueRange.htm) [](https://help.qlik.com/en-US/qlikview-developer/Subsystems/QMSAPIref/Content/PIX.QvServicesConfigValuesGeneralExtensions.AddUniqueRange.htm)

## AddUniqueRange(HashSet&lt;String&gt;, List&lt;IEnumerable&lt;QvServicesConfigValues&gt;&gt;)

### Declaration

```

          public static void AddUniqueRange(this HashSet<string> set, List<IEnumerable<QvServicesConfigValues>> diffList)
    
  
```

### Parameters

| Type | Name | Description |
| --- | --- | --- |
| System.Collections.Generic.HashSet&lt;System.String&gt; | set |  |
| System.Collections.Generic.List&lt;System.Collections.Generic.IEnumerable&lt;[QvServicesConfigValues](https://help.qlik.com/en-US/qlikview-developer/September2025/Subsystems/QMSAPIref/Content/PIX.QvServicesConfigValues.htm)&gt;&gt; | diffList |  |