## ReferenceAttachmentOptions class

Options of a reference attachment: a link to a file in a cloud storage, such as OneDrive, instead of the file itself.

```csharp
public class ReferenceAttachmentOptions
```

## Constructors

| Name | Description |
| --- | --- |
| [ReferenceAttachmentOptions](referenceattachmentoptions/)(string, string, string) | Initializes a new instance of the `ReferenceAttachmentOptions` class with a link, a URL and a provider. |

## Properties

| Name | Description |
| --- | --- |
| [IsFolder](../../aspose.email.mapi/referenceattachmentoptions/isfolder/) { get; set; } | Gets or sets a value indicating whether the reference attachment is a folder. The default value is **false**. |
| [OriginalPermissionType](../../aspose.email.mapi/referenceattachmentoptions/originalpermissiontype/) { get; set; } | Gets or sets the original permission type for the reference attachment. Used to specify the original permission level before any modifications. The default value is **None**. |
| [PermissionType](../../aspose.email.mapi/referenceattachmentoptions/permissiontype/) { get; set; } | Gets or sets the permission type for the reference attachment. Indicates the level of access granted. The default value is **AnyoneCanEdit**. |
| [PreviewUrl](../../aspose.email.mapi/referenceattachmentoptions/previewurl/) { get; set; } | Gets or sets the preview URL of the reference attachment. This URL can be used to generate a preview of the resource, if supported by the provider. The default value is **Empty**. |
| [ProviderEndpointUrl](../../aspose.email.mapi/referenceattachmentoptions/providerendpointurl/) { get; set; } | Gets or sets the provider endpoint URL. Typically used for specifying the base URL of the cloud provider API. The default value is **Empty**. |
| [ProviderName](../../aspose.email.mapi/referenceattachmentoptions/providername/) { get; set; } | Gets or sets the name of the storage provider, such as `OneDrive`. |
| [SharedLink](../../aspose.email.mapi/referenceattachmentoptions/sharedlink/) { get; set; } | Gets or sets the shared link of the file in the cloud storage. |
| [ThumbnailUrl](../../aspose.email.mapi/referenceattachmentoptions/thumbnailurl/) { get; set; } | Gets or sets the thumbnail URL of the reference attachment. The URL points to a thumbnail image of the resource for visual representation. The default value is **Empty**. |
| [Url](../../aspose.email.mapi/referenceattachmentoptions/url/) { get; set; } | Gets or sets the direct URL of the file. |

## Remarks

Pass an instance to [`Add`](../mapiattachmentcollection/add/).

### See Also

* namespace [Aspose.Email.Mapi](../../aspose.email.mapi/)
* assembly [Aspose.Email](../../)