'decimal:4', 'shortage_analysis' => 'array', 'purchase_order_ids' => 'array', ]; public function lineRevision() { return $this->belongsTo(LineRevision::class, 'line_revision_id'); } public function bom() { return $this->belongsTo(Bom::class, 'bom_id'); } public function workOrder() { return $this->belongsTo(ManufacturingWorkOrder::class, 'work_order_id'); } public function createdBy() { return $this->belongsTo(User::class, 'created_by'); } }