Call app object in navigated page

[Jeremy_Tangalan]

Hi guys i just wanted to know how i am going to call app.preloader in a navigated page.
i used the kitchen and try this code in the about html but the app.preloader wont show.

[pvtallulah]

use template page

<template>
...
  <button @click='confirmEmail'>Confirm</button>
...
</template>
<script>
return {
  methods: {
    confirmEmail: function () {
      var self = this;
      self.preloader.show();
    },
  }
  ...
}
</script>

[Jeremy_Tangalan]

Thank You so much!