How to pass parameters in pop method of ionic2

Question

I tried passing parameters in push method of ionic2. like this

this.nav.push(SecondPage, {
    thing1: data1,
    thing2: data2
});

but is ther

Answer 1

pass in a callback when transitioning by aaronksaunders in this forum

https://forum.ionicframework.com/t/solved-ionic2-navcontroller-pop-with-params/58104/4

Going to try it out.