getRemAttrServer

function findReCollectionIds(reModelId) {
  var reCollectionIds = [];
  var gr = new SimpleRecord('sys_re_model_collection');
  gr.addQuery('re_model_id', reModelId);
  gr.query();
  while (gr.next()) {
      reCollectionIds.push(gr.getValue('re_collection_id'));
  }
  reCollectionIds.push(reModelId);
  return reCollectionIds;
}

function findColumnNamesByReContainerIds(reContainerIds) {
  var columnNames = [];
  var gr = new SimpleRecord('sys_re_attribute');
  gr.addQuery('re_container_id', 'IN', reContainerIds);
  gr.query();
  while (gr.next()) {
      columnNames.push(gr.getValue('column_name'));
  }
  return columnNames;
}

function getColumnNamesByReModelId(reModelId) {
  var reCollectionIds = findReCollectionIds(reModelId);
  return findColumnNamesByReContainerIds(reCollectionIds);
}

const reModelId = '172121150506068425';
const columnNames = getColumnNamesByReModelId(reModelId);
ss.info(columnNames);