whisper-money/app/Enums/TransactionSource.php

<?php

namespace App\Enums;

enum TransactionSource: string
{
    case ManuallyCreated = 'manually_created';
    case Imported = 'imported';
    case EnableBanking = 'enablebanking';
    case Wise = 'wise';
    case Plaid = 'plaid';
}