'datetime', 'created_at' => 'datetime', 'updated_at' => 'datetime', ]; public function template() { return $this->belongsTo(SmsTemplate::class, 'template_id'); } public function creator() { return $this->belongsTo(User::class, 'created_by'); } public function recipients() { return $this->belongsToMany(User::class, 'sms_scheduled_recipients', 'sms_scheduled_id', 'user_id'); } }