freeu-project/app/Models/MonthlyUpdateMaster.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class MonthlyUpdateMaster extends Model
{
    use HasFactory;

    protected $fillable = ['users_id', 'categories', 'products_id', 'custom_id', 'investor_name', 'pan', 'product_category', 'investment_platform', 'product_name', 'counter_party', 'account_number', 'spv_details', 'class_of_units', 'fund_category'];

    public function investor()
    {
        return $this->belongsTo(User::class, 'users_id');
    }

    public function products()
    {
        return $this->belongsTo(Product::class, 'products_id');
    }
    public function companies()
    {
        return $this->belongsTo(Company::class, 'investment_platform');
    }
}