All classes that implement BusinessRulesVariablePluginInterface in Business Rules 8
- class \Drupal\business_rules\Plugin\BusinessRulesVariablePlugin implements BusinessRulesVariablePluginInterface
- class \Drupal\business_rules\Plugin\BusinessRulesVariable\CustomValueVariable
- class \Drupal\business_rules\Plugin\BusinessRulesVariable\EntityEmptyVariable
- class \Drupal\business_rules\Plugin\BusinessRulesVariable\EntityFieldVariable
- class \Drupal\business_rules\Plugin\BusinessRulesVariable\UrlVariable
- class \Drupal\business_rules\Plugin\BusinessRulesVariable\UserVariable
- class \Drupal\business_rules\Plugin\BusinessRulesVariable\ViewResultVariable