     case custom
 }
 
-typealias ETpopupBlock = (ETPopupView) -> Void
+typealias ETPopupBlock = (ETPopupView) -> Void
 typealias ETPopupCompletionBlock = (ETPopupView, Bool) -> Void
 
 class ETPopupView: UIView {

        return block
    }
    
    private func customHideAnimation() -> ETpopupBlock {
        
        let block: (ETPopupView) -> Void = {
            [weak self] _ in

        return block
    }
    
    private func sheetShowAnimation() -> ETPopupBlock {
        
        let block: (ETPopupView) -> Void = {
            [weak self] (popupView: ETPopupView) in
