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 447 - Generic Entity handler.
Class
- EntityReferenceSelectionHandlerGeneric_comment
- Override for the Comment entity type.
Code
protected $label_key = 'subject';