hasOne('messageActivity', 'message_id', 'message_id'); } public function messageLogistics() { return $this->hasOne('messageLogistics', 'message_id', 'message_id'); } public function messageNotice() { return $this->hasOne('messageNotice', 'message_id', 'message_id'); } public function messagePrivate() { return $this->hasOne('messagePrivate', 'message_id', 'message_id'); } }