SplitButton

Fui.menu [
    Fui.menuTrigger [
        menuTrigger.disableButtonEnhancement true
        menuTrigger.children (fun p ->
            Fui.splitButton [
                splitButton.menuButton p
                splitButton.primaryActionButton [
                    button.size.small
                    button.text "Primary action button"
                ]
                splitButton.icon (Fui.icon.shareAndroidRegular [])
            ]
        )
    ]
    Fui.menuPopover [
        Fui.menuList [
            Fui.menuItem [
                menuItem.text "Item a"
            ]
            Fui.menuItem [
                menuItem.text "Item b"
            ]
        ]
    ]
]