iao_team/app/Http/Livewire/Calendar.php

<?php

namespace App\Http\Livewire;

use Livewire\Component;

class Calendar extends Component
{
    public $records;

    public function render()
    {
        $this->records = [];
        $calendars = \App\Models\Calendar::get();
        foreach($calendars as $c)
        {
            $this->records[] = array('id' => $c->id, 'title' => $c->course->name, 'start' => $c->from, 'end' => $c->to);
        }
        return view('livewire.calendar');
    }

}