nl_tokens: Navigate to the previous active action . This changes the page url .
pl_tokens: function ( ) { var actions = this . getActions ( ) , previousAction = actions [ actions . length - 2 ] ; if ( previousAction ) { actions . pop ( ) ; previousAction . getController ( ) . getApplication ( ) . redirectTo ( previousAction . getUrl ( ) ) ; } else { actions [ <mask> . length - 1 ] . getController ( ) . getApplication ( ) . redirectTo ( '' ) ; } }