hook_field_formatter_info_alter(array &$info) Perform alterations on Field API formatter types.

_field_create_entity_from_ids($ids) Assembles a partial entity structure with initial IDs.

A short human readable description for the field type. Type:

public BaseFieldDefinition::addPropertyConstraints($name, array

public FieldItemListInterface::defaultAccess($operation

public static FieldItemBase::generateSampleValue(FieldDefinitionInterface

public FieldDefinitionListenerInterf

public BaseFieldOverride::getFieldStorageDefinition()

Defines an interface for entity field definitions. An entity field is a data object that holds the values of a particular field for a particular

public FieldConfigBase::setPropertyConstraints($name, array $constraints)