controller.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return this.get('store').createRecord('licence');
  },
  actions: {
    saveLicence(newLicence) {
      newLicence.save().then(() => this.transitionTo('licences'));
    },
    //built in ember action called when leaving a page
    willTransition() {
      this.controller.get('model').rollbackAttributes();
    }
  }
});

error

Assertion Failed: An action named 'saveLicence' was not found in <marketadmin@controller:licences/new::ember443>

new.hbs

{{interface/basic-button texte="Créer" 
          theAction=(action 'saveLicence' model)}}