farm-2.x-dev/modules/log/observation/src/Plugin/Log/LogType/Observation.php

<?php

namespace Drupal\farm_observation\Plugin\Log\LogType;

use Drupal\farm_entity\Plugin\Log\LogType\FarmLogType;

/**
 * Provides the observation log type.
 *
 * @LogType(
 *   id = "observation",
 *   label = @Translation("Observation"),
 * )
 */
class Observation extends FarmLogType {

}