Swipe gesture capture two pointers( or fingers)

Hello,

I’ve tried to capture two pointers on swipe event in ion-slide, but when I log the parameter $event the pointers always are the one. Sometimes the event trigger two times when a swipe my two fingers above the screen.

swipeEvent(e) {
console.log(e.changedPointers)

    if(e.changedPointers.length == 2){
        //do some stuff...
    }
}

<ion-slide *ngFor="let items of apresentacao;let i = index;" (tap)="doubleTapEvent($event)" (swipe)="swipeEvent($event)">

Thanks!

Someone can help me please?