'integer', 'debit_amount' => 'integer', 'credit_amount' => 'integer', 'trading_partner_id' => 'integer', ]; // DC Type public const DC_DEBIT = 'debit'; public const DC_CREDIT = 'credit'; /** * 전표 관계 */ public function journalEntry(): BelongsTo { return $this->belongsTo(JournalEntry::class); } }