nl_tokens: Add assignable properties for tracking .
pl_tokens: function ( tracker , propList ) { var trackingData = tracker [ trackingKeyName ] ; propList . forEach ( function ( name ) { Object . defineProperty ( tracker , name , { enumerable : true , configurable : true , get : function ( ) { return trackingData . object [ name ] ; } , set : function ( x ) { trackingData . actions . push ( { key : <mask> , set : x , } ) ; trackingData . object [ name ] = x ; } , } ) ; } ) ; }