PixelPlacerBot/app/Models/TwitchUser.php

<?php

namespace App\Models;

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

class TwitchUser extends Model
{
    use HasFactory;

    protected $fillable = ['username'];

    public function commands()
    {
        return $this->hasMany(CommandHistory::class);
    }
}