The entity's label key as required for matching the autocomplete string.
Type: string
Overrides EntityReferenceSelectionHandlerGeneric::$label_key
See also
EntityReferenceSelectionHandlerGeneric::buildEntityFieldQuery
File
- core/
modules/ entityreference/ plugins/ selection/ EntityReferenceSelectionHandlerGeneric.inc, line 492 - Generic Entity handler.
Class
- EntityReferenceSelectionHandlerGeneric_file
- Override for the File entity type.
Code
protected $label_key = 'filename';