planifibot/app/Models/HoraFlag.php

<?php

namespace App\Models;

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

class HoraFlag extends Model
{
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = ['dia_id', 'minutoDelDia', 'flag'];

    public function dia() {
        return $this->belongsTo(Dia::class);
    }
}