Bulk Update Selected Records

// Client-side code
function bulkUpdateRecords() {
  // Get selected records
  var selected = g_list.getChecked();

  if (selected.length === 0) {
    alert('Please select at least one record');
    return;
  }

  // Confirm action
  var confirmed = confirm('Are you sure you want to update ' + selected.length + ' record(s)?');
  if (!confirmed) {
    return;
  }

  // Show loading message
  var loadingMsg = 'Updating ' + selected.length + ' record(s)...';
  g_list.addInfoMessage(loadingMsg);

  // Make server call to process records
  var ga = new GlideAjax('BulkUpdateProcessor');
  ga.addParam('sysparm_name', 'processBulkUpdate');
  ga.addParam('sysparm_record_ids', selected.join(','));
  ga.addParam('sysparm_table', 'incident');

  // Add update parameters (customize these)
  ga.addParam('sysparm_field', 'state');
  ga.addParam('sysparm_value', '2');  // In Progress

  ga.getXMLAnswer(function(response) {
    if (response) {
      var result = JSON.parse(response);

      if (result.success) {
        g_list.addInfoMessage('Successfully updated ' + result.updated + ' record(s)');
        g_list.refresh();
      } else {
        alert('Error: ' + result.message);
      }
    }
  });
}