Model using ember-api-actions

models_model.js

import DS from 'ember-data';
import Ember from 'ember';
import { memberAction, collectionAction } from 'ember-api-actions';

export default DS.Model.extend({
  subset: collectionAction({ path: 'subset', type: 'get' })
});

models_route.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return this.store.createRecord('model').subset();
  }
});