hook_entity_bundle_field_info
function hook_entity_bundle_field_info
hook_entity_bundle_field_info(\Drupal\Core\Entity\EntityTypeInterface $entity_type, $bundle, array $base_field_definitions)
Provides field definitions for a specific bundle within an entity type.
Bundle fields either have to override an existing base field, or need to provide a field storage definition via hook_entity_field_storage_info() unless they are computed.
@todo WARNING: This hook will be changed in https://www.drupal.org/node/2346347.