cineflex/app/Models/Permission.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Permission extends Model
{
    protected $table = 'permissions';
    protected $primaryKey = 'permission_id';
    protected $fillable = [
        'permission_name',
    ];

    protected $hidden = [
        'created_at',
        'updated_at',
    ];

    public function users()
    {
        return $this->belongsToMany('App\Models\User', 'user_permissions', 'permission_id', 'user_id');
    }

}