You can add navigation buttons to a Gallery in order to let users easily move between Gallery pages.
To do so:
1. Select the Gallery that you want to add an navigation button to. Click the Add Navigation button in the lower settings menu.
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2.Click Add Navigation Buttons or use the Connect Elements as a Widget option to use buttons that are already on your page.
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3. Choose a Button design and click OK, now place the button on your webpage in the desired location.