cssd-back/app/Cycle.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Cycle extends Model
{
    public $fillable = ['date', 'user_id', 'cycle_number', 'sterilizer_id', 'note', 'verified', 'unique_id'];
    public function user()
    {
        return $this->belongsTo('App\User');
    }
    public function labels()
    {
        return $this->belongsToMany('App\Label', 'cycle_label')->withPivot('count');
    }

}