'decimal:7', 'longitude' => 'decimal:7', 'accuracy' => 'decimal:2', 'speed' => 'decimal:2', 'heading' => 'decimal:2', 'logged_at' => 'datetime', ]; public function driver() { return $this->belongsTo(Driver::class, 'driver_id'); } public function shipment() { return $this->belongsTo(Shipment::class, 'shipment_id'); } public function vehicle() { return $this->belongsTo(Vehicle::class, 'vehicle_id'); } }