sam-api/app/Models/Tenants/Payment.php

<?php

namespace App\Models\Tenants;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * @mixin IdeHelperPayment
 */
class Payment extends Model
{
    use SoftDeletes;

    protected $fillable = [
        'subscription_id', 'amount', 'payment_method', 'transaction_id', 'paid_at', 'status', 'memo',
    ];

    protected $dates = [
        'paid_at',
    ];

    public function subscription()
    {
        return $this->belongsTo(Subscription::class);
    }
}