'float', 'approved_at' => 'datetime', 'rejected_at' => 'datetime', 'raw_data' => 'array', ]; public function customer() { return $this->belongsTo(Customer::class, 'customer_id'); } public function approver() { return $this->belongsTo(User::class, 'approved_by'); } public function rejecter() { return $this->belongsTo(User::class, 'rejected_by'); } public function withdraw() { return $this->belongsTo(Withdraw::class, 'withdraw_id'); } }