id() == 'log') { $options = [ 'type' => 'entity_reference', 'label' => t('Equipment used'), 'description' => t('What equipment was used?'), 'target_type' => 'asset', 'target_bundle' => 'equipment', 'multiple' => TRUE, 'weight' => [ 'form' => 55, 'view' => -5, ], ]; $fields['equipment'] = \Drupal::service('farm_field.factory')->bundleFieldDefinition($options); } return $fields; } /** * Implements hook_farm_ui_theme_field_group_items(). */ function farm_equipment_farm_ui_theme_field_group_items(string $entity_type, string $bundle) { if ($entity_type == 'log') { return [ 'equipment' => 'asset', ]; } return []; }