services_core/app/Models/NotificationBroadcast.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class NotificationBroadcast extends Model
{
    protected $guarded = ['id'];

    protected function casts(): array
    {
        return ['filter_snapshot' => 'array', 'scheduled_at' => 'datetime'];
    }

    public function tenant()
    {
        return $this->belongsTo(Tenant::class);
    }

    public function template()
    {
        return $this->belongsTo(NotificationTemplate::class, 'notification_template_id');
    }

    public function channelConfig()
    {
        return $this->belongsTo(NotificationChannel::class, 'notification_channel_id');
    }

    public function recipients()
    {
        return $this->hasMany(NotificationBroadcastRecipient::class);
    }
}