src/contrib/edittable/editForm/EditTable.edit.display.js

export default [
  {
    key: 'columns',
    type: 'datagrid',
    input: true,
    label: 'Columns',
    weight: 100,
    reorder: true,
    components: [
      {
        key: 'label',
        label: 'Column Label',
        type: 'textfield',
        input: true,
      },
      {
        key: 'key',
        label: 'Column Key',
        type: 'textfield',
        allowCalculateOverride: true,
        input: true,
        calculateValue: { _camelCase: [{ var: 'row.label' }] }
      }
    ]
  }
];