Fromholdio\Listings\Extensions\ListingsRootPageExtension::getListedPagesOrderableSort
Get the sort field we should use for powering the GridFieldOrderableRows component.
Applicable only if $administration_mode is set to 'gridfield'. You can supply a value FALSE to disable the component. Else you must supply the field name of a valid database field from the common Listed Page class of this root.
Signature
public function getListedPagesOrderableSort()
Returns
- string|false
- Either the field name, or boolean FALSE value.