Expected seperator, Expected expression in list of expressions, Missing argument for parameter 'selector' in call

[mertoksuz]

private func setupAutoSliderIfNeeded() {

        if options.autoSlideIntervalInSeconds > 0 {
            NSTimer.scheduledTimerWithTimeInterval(options.autoSlideIntervalInSeconds, target: self, selector: #selector(TNImageSliderViewController.timerDidFire(_:)), userInfo: nil, repeats: true)
        }

    }

this function has some errors,

Expected seperator,
Expected expression in list of expressions,
Missing argument for parameter 'selector' in call