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func showPopup(){

    let h0 = { print("ok")}

    let action1 = WKAlertAction(title: "Approve", style: .default, handler:h0)
    let action2 = WKAlertAction(title: "Decline", style: .destructive) {}
    let action3 = WKAlertAction(title: "Cancel", style: .cancel) {}

    presentAlert(withTitle: "Voila", message: "", preferredStyle: .actionSheet, actions: [action1,action2,action3])

}