creating thumbnail from a pdf in coldfusion cfscript - coldfusion

I'm trying to create a thumbnail from a pdf in coldfusion, but no thumbnail gets created and no exception is thrown.
(coldfusion 9)
my code:
var source = "A:\testfolder\test.pdf";
var destination = "A:\testfolder\";
createImageFromPdf(source, destination);
createImageFromPdf function:
public void function createImageFromPdf(required string source, required string destination,
numeric pages = 1, string resolution = "low",
numeric scale = 100, boolean overwrite = true){
var pdf = new pdf();
pdf.setSource(arguments.source);
pdf.thumbnail(pages = arguments.pages, resolution = arguments.resolution,
scale = arguments.scale, overwrite = arguments.overwrite);
}
After running this code, i don't receive errors or exceptions, but no image was generated in A:\testfolder\
I'm probably missing something obvious here, but can't find it.
Also no log records are created in application or exception log, pdf is not protected and I'm sure that the folder is writable.
All help is appreciated.
Thanks.

You just forgot to pass along the destination
pdf.thumbnail(destination=arguments.destination
, pages = arguments.pages
, resolution = arguments.resolution
, scale = arguments.scale
, overwrite = arguments.overwrite);

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let input2 = ['Question2', 'Answer2\n'];
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try {
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The right way to start is reading the Developer's Guide.
Good stuff in our business ain't easy.