Framework7 v2 component

Hi,
i use f7 v2 component model. İ want to change component data after custom method run. ? how can i set?

data: function () {
  
  return {
    hesaplar:[]
  }

  
},
// Component Methods
methods: {
  openAlert: function (id) {
    var self = this;
    self.$app.dialog.alert(id + 'Hello World');
  },
  getMyExchanges: function () {         
       **// How can i set new with new values**
       hesaplar = blaa blaa
   }        

});

Just set property on component context this:

getMyExchanges: function () {
  var self = this;
  self.hesaplar = blaa blaa
}