nl_tokens: Configured the initial events that the collection view binds to .
pl_tokens: function ( ) { if ( this . <mask> ) { this . listenTo ( this . collection , 'add' , this . _onCollectionAdd ) ; this . listenTo ( this . collection , 'remove' , this . _onCollectionRemove ) ; this . listenTo ( this . collection , 'reset' , this . render ) ; if ( this . getOption ( 'sort' ) ) { this . listenTo ( this . collection , 'sort' , this . _sortViews ) ; } } }