app/controllers/contacts/index.js
import Controller from '@ember/controller';
import { inject as service } from '@ember/service';
export default Controller.extend({
flashMessages: service(),
queryParams: [
'query',
'role-name',
'include-deleted',
'sort',
'page',
'size'
],
query: null,
'role-name': null,
'include-deleted': null,
sort: null,
page: 1,
size: 25
});