'decimal:3', 'meta' => 'array', ]; public function materialLine() { return $this->belongsTo(MaterialLine::class, 'material_line_id'); } public function transaction() { return $this->belongsTo(Transaction::class); } public function sourceLocation() { return $this->belongsTo(BusinessLocation::class, 'source_location_id'); } public function destinationLocation() { return $this->belongsTo(BusinessLocation::class, 'destination_location_id'); } public function supplier() { return $this->belongsTo(Contact::class, 'supplier_id'); } }