Hello,

1. Create a custom sidebar in the Dashboard > Sidebar

2. Navigate to Appearance > Widgets and the currency switcher to this sidebar.

3. Create HTML block, add the Widgetized sidebar, chose your custom sidebar from the drop-down list.

4. Add this HTML block to the Header builder: https://xtemos.com/docs/woodmart/header-builder/add-edit-builder-elements/

Best Regards