Get the thumbnail image with the given size for an element.

The id of the document in which to perform the operation.

Indicates which of workspace (w) or version (v) id is specified below.

The id of the workspace, version in which the operation should be performed.

The id of the element in which to perform the operation.

the generated thumbnail size in pixels, widthxheigth

The id of the document through which the above document should be accessed; only applicable when accessing a version of the document. This allows a user who has access to document a to see data from document b, as long as document b has been linked to document a by a user who has permission to both.

Cache Control key. If specified, the response header returned will tell the client to use cached thumbnails.

Controls the return of the default image, if thumbnail is not available