Gallery widget with databind
THIS WIDGET SUPPORTS PDF FILETYPE
You can bind a datasource to the image gallery as follows

INTERNAL DATASOURCE
Please note
If you wish to use folderbind inside your gallery widget, please make sure you enabled the Use folder option in the Sources of the Main tab of Widget Properties.
EXTERNAL DATASOURCE
Please note
- In google sheet the exact name of the images, videos and pdfs should be written, it should be dragged into external datasource and dropped into the widget, here it is important to select the folder where the images are, and press "use folder"