| GetViewingThumbnails | Scroll | 
REST URL (POST) https://tenant.thereforeonline.com/theservice/v0001/restun/GetViewingThumbnails
SOAP Action (POST) http://schemas.therefore.net/webservices/interop/v0001/messages/IThereforeService/GetViewingThumbnails
Gets the thumbnails for specified streams of a document or for a file from the upload session
Input Message: http://schemas.therefore.net/webservices/interop/v0001/messages/IThereforeService/GetViewingThumbnails
| Element Name | Element Type | Restrictions | Description | 
| â– parameters | 
 | 
 | |
| â–¡ DocNo | xs:int | nillable | The number of the document to be viewed or 0 if a newly uploaded document should be viewed | 
| â–¡ VersionNo | xs:int | nillable | The version of the document to be viewed or 0 if a newly uploaded document should be viewed | 
| â–¡ StreamNos | 
 | nillable | The StreamNos of a document to be viewed or null/undefined if a newly uploaded document should be viewed | 
| ≡ int | xs:int | list | |
| â–¡ UploadSessionId | xs:string | nillable GUID string template: [\da-fA-F]{8}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{12} | The upload session guid to be viewed or null/undefined if an existing document should be viewed | 
| â–¡ SizeInPixels | xs:int | nillable | Sets the size of the thumbnail in pixels. Null/undefined or 0 (zero) value means that default size will be used. | 
| â–¡ ConversionOptions | 
 | nillable | Conversion options that should be applied to the document when converting to HTML. | 
| â–¡ RenderWordComments | xs:boolean | nillable | Enables rendering of review comments in Word documents. | 
| â–¡ Password | xs:string | nillable | Password for encrypted files. | 
| â–¡ ZeroBasedStreamNo | xs:boolean | nillable | Optional bool parameter, that defines if the StreamNos parameter starts at 0 (true) or 1 (false/not-set). | 
Output Message: http://schemas.therefore.net/webservices/interop/v0001/messages/IThereforeService/GetViewingThumbnailsResponse
| Element Name | Element Type | Restrictions | Description | 
| â– parameters | 
 | 
 | |
| â–¡ Thumbnails | 
 | mandatory nillable | List of thumbnails, containing the byte data, extension and a bool if the thumbnail could be obtained. | 
| ≡ GetThumbnailResponse | 
 | list nillable | |
| â– Exists | xs:boolean | 
 | Returns true if the thumbnail can be obtained for given document. | 
| â–¡ ThumbnailFileData | xs:base64Binary | nillable | Gets binary data of the thumbnail file. Nothing is returned if the thumbnail can not be obtained for a given document. It uses a base64 encoded string in XML messages and a byte array in JSON messages. | 
| â–¡ ThumbnailFileExtension | xs:string | nillable | Gets the extension for the thumbnail file (including the period "."). Nothing is returned if thumbnail cannot be obtained for the given document. | 
Legend:
| â– | Not nillable element. | 
| â–¡ | Nillable element. | 
| ≡ | List of elements. | 
| Bold | Mandatory element. |