Soap/app/Models/CustomerReturnRefundCrown.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class CustomerReturnRefundCrown extends Model
{
    protected $connection = 'mysql_app';
    protected $table='customer_return_refund_crown';
    protected $guarded= [];

    public function crown()
    {
        return $this->HasOne(User::class,'id','crown_id');
    }
}