Field-type specific settings. An array of key/value pairs. The keys and default values are defined by the field type.

Attach custom data fields to Drupal entities. File core/modules/field/field.module

Flag indicating whether the field is required. TRUE if a value for this field is required when used with this bundle, FALSE otherwise. Currently

Defines a FieldFormatter annotation object. Formatters handle the display of field values. They are typically instantiated and invoked by an

public static FieldConfigBase::createFromDataType($type)

Array of constraint options keyed by constraint plugin ID. Type:

public WidgetBase::settingsSummary() Returns

public FieldConfig::isComputed()

public FieldItemList::access($operation = 'view', AccountInterface $account

Flag indicating whether the field is deleted. The