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# SuperOffice.WebApi.Data.SelectionUnionType

# <a id="SuperOffice_WebApi_Data_SelectionUnionType" /> Enum SelectionUnionType

Namespace: [SuperOffice.WebApi.Data](SuperOffice.WebApi.Data.md)\
Assembly: SuperOffice.WebApi.dll

How the selections in a combined selections should be put together
This Enum is used by:  selection.combinationType

```csharp theme={null}
public enum SelectionUnionType : short
```

## Fields

`Intersect = 3`

3: Those present in left AND right only

`SubtractLeftFromRight = 2`

2: All of right, except where it overlaps with left

`SubtractRightFromLeft = 1`

1: All of left, except where it overlaps with right

`Union = 5`

5: All, but no duplicates for those present in left and right

`Unknown = 0`

0: Combination type is unknown/indefined

`XOR = 4`

4: Those present in left or right, but not both


## Related topics

- [SuperOffice.WebApi.Data.SelectionEntity](/en/api/reference/webapi/SuperOffice.WebApi.Data.SelectionEntity.md)
- [SuperOffice.WebApi.Data.UserPreferenceStrings.Selection](/en/api/reference/webapi/SuperOffice.WebApi.Data.UserPreferenceStrings.Selection.md)
- [SuperOffice.WebApi.Data.SelectionType](/en/api/reference/webapi/SuperOffice.WebApi.Data.SelectionType.md)
- [SuperOffice.WebApi.Data.Selection CreateSelectionFromSelectionRequest](/en/api/reference/webapi/SuperOffice.WebApi.Data.Selection_CreateSelectionFromSelectionRequest.md)
- [SuperOffice.WebApi.Data.Selection CreateContactSelectionFromSelectionRequest](/en/api/reference/webapi/SuperOffice.WebApi.Data.Selection_CreateContactSelectionFromSelectionRequest.md)
- [SuperOffice.WebApi.Data.Selection CreateDefaultBoardViewSettingsFromEntityTypeRequest](/en/api/reference/webapi/SuperOffice.WebApi.Data.Selection_CreateDefaultBoardViewSettingsFromEntityTypeRequest.md)