Show Related Records

// Client-side code
function showRelatedRecords() {
  var sysId = g_form.getUniqueValue();
  var recordNumber = g_form.getValue('number');

  // Configuration: Define related table and relationship
  var relatedTable = 'sc_task';
  var relationshipField = 'request_item';

  // Build query for related records
  var query = relationshipField + '=' + sysId;

  // Open popup with related list
  var dialogClass = GlideModal ? GlideModal : GlideDialogWindow;
  var dialog = new dialogClass('related_records_dialog');
  dialog.setTitle('Related Tasks for ' + recordNumber);
  dialog.setPreference('table', relatedTable);
  dialog.setPreference('query', query);
  dialog.setPreference('sysparm_view', 'default');

  // Set dialog size
  dialog.setWidth(800);
  dialog.setHeight(600);

  dialog.render();

  // Alternative: Open in new window
  /*
  var url = '/' + relatedTable + '_list.do?sysparm_query=' + query;
  window.open(url, '_blank', 'width=1200,height=800');
  */
}