PDF file is displayed in the Main image of the Deck view

[SuperTom]

The first page of the PDF file is displayed in the Main image of the Deck view.

Main image can't specify File type, so I don't think it can be achieved in standard way.
Can't it be achieved by other methods, such as an API that acquires images from PDF files?

[SkrOYC]

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@SuperTom wrote:

The first page of the PDF file is displayed

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You are saying it's done or you want that?

[SuperTom]

I want it.
Sorry for my lack of words.