nl_tokens: Called when the backButton has been tapped .
pl_tokens: function ( ) { var <mask> = this , node = me . getLastNode ( ) , detailCard = me . getDetailCard ( ) , detailCardActive = detailCard && me . getActiveItem ( ) == detailCard , lastActiveList = me . getLastActiveList ( ) ; this . fireAction ( 'back' , [ this , node , lastActiveList , detailCardActive ] , 'doBack' ) ; }