Saving a template visualization from another app in Kibana

gistfile1.txt

function saveExpression(expression) {
    savedVisualizations.get({type: 'timelion'}).then(function (savedExpression) {
      savedExpression.id = expression;
      savedExpression.visState.params = {
        expression: expression,
        interval: $scope.state.interval
      };
      savedExpression.title = expression;
      savedExpression.visState.title = expression;
      savedExpression.save().then(function (id) {
        if (id) notify.info('Saved expression as "' + savedExpression.title + '"');
      });
    });
  };