public static function ChartConfigItem::mainPropertyName in Charts 5.0.x
Same name and namespace in other branches
- 8.4 src/Plugin/Field/FieldType/ChartConfigItem.php \Drupal\charts\Plugin\Field\FieldType\ChartConfigItem::mainPropertyName()
Returns the name of the main property, if any.
Some field items consist mainly of one main property, e.g. the value of a text field or the target_id of an entity reference. If the field item has no main property, the method returns NULL.
Return value
string|null The name of the value property, or NULL if there is none.
Overrides FieldItemBase::mainPropertyName
See also
\Drupal\Core\Field\BaseFieldDefinition
File
- src/
Plugin/ Field/ FieldType/ ChartConfigItem.php, line 41
Class
- ChartConfigItem
- Plugin implementation of the 'chart_config' field type.
Namespace
Drupal\charts\Plugin\Field\FieldTypeCode
public static function mainPropertyName() {
return 'config';
}