Is there any way to add custom component in left panel (Thumbnail panel) of webviewer

I am trying to add a Button component in web viewer left panel (Thumbnail panel) to perform some action.

is there any way to add any custom component in the left panel in web viewer like button or div or something else
?

Hello, I’m Ron, an automated tech support bot :robot:

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Hello dhruvin_p,

You can use the setCustomPanel API to create your own custom tab inside the left panel and render whatever you need there.

instance.UI.setCustomPanel
https://www.pdftron.com/api/web/UI.html#.setCustomPanel

Best Regards,

Ahmad Moaaz

Software Developer

PDFTron Systems, Inc.

www.pdftron.com