boursecu_server/app/Models/Shayegan.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class Shayegan extends Model
{
    protected $table = 'shayegan';

    protected $guarded = [];

    protected $casts = [
        'date' => 'datetime',
        'amount' => 'float',
    ];

    public function customer(): BelongsTo
    {
        return $this->belongsTo(Customer::class);
    }
}