nl_tokens: Return true if the given child should be shown Return false otherwise The filter will be passed ( child index collection ) Where child is the given model index is the index of that model in the collection collection is the collection referenced by this CollectionView
pl_tokens: function ( <mask> , index ) { var filter = this . getOption ( 'filter' ) ; return ! _ . isFunction ( filter ) || filter . call ( this , child , index , this . collection ) ; }