Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'contact_id', 'civicrm_contact', 'id');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'action_schedule_id', 'civicrm_action_schedule', 'id');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Dynamic(self::getTableName(), 'entity_id', NULL, 'id', 'entity_table');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'contact_id', 'civicrm_contact', 'id');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'action_schedule_id', 'civicrm_action_schedule', 'id');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Dynamic(self::getTableName(), 'entity_id', NULL, 'id', 'entity_table');