nl_tokens: Create a child record within the owner
pl_tokens: function ( hash ) { var owner = get ( this , 'owner' ) , store = get ( owner , 'store' ) , type = get ( this , 'type' ) , record ; Ember . assert ( "You cannot add '" + type . typeKey + "' records to this polymorphic relationship." , ! get ( this , 'isPolymorphic' ) ) ; record = store . createRecord . call ( store , type , hash ) ; this . pushObject ( <mask> ) ; return record ; }