'integer', 'material_result' => 'integer', ]; } public function combination(): BelongsTo { return $this->belongsTo(CuttingMaterialCombination::class, 'combination_id'); } public function cutting(): BelongsTo { return $this->belongsTo(Cutting::class); } public function rawMaterialPrice(): BelongsTo { return $this->belongsTo(RawMaterialPrice::class); } public function user(): BelongsTo { return $this->belongsTo(User::class); } }