events.js

panel.plugin('something/cool', {
  fields: {
    demo: {
      created: function () {
        this.$events.$on('form.change', this.onFormChange);
        this.$events.$on('form.save', this.onFormSave);
        this.$events.$on('form.reset', this.onFormReset);
      },
      destroyed: function () {
        this.$events.$off('form.change', this.onFormChange);
        this.$events.$off('form.save', this.onFormSave);
        this.$events.$off('form.reset', this.onFormReset);        
      },
      methods: {
        onFormChange: function () {
          // ...                      
        },
        onFormSave: function() {
          // ...            
        },
        onFormReset: function() {
          // ...            
        }
      }
    }
  }  
});