'int', 'send_user_id' => 'int', 'send' => 'bool', 'fail' => 'bool' ]; protected $dates = [ 'sent_at', 'scheduled_at', 'delivered_at' ]; protected $fillable = [ 'user_id', 'send_user_id', 'email', 'subject', 'message', 'send', 'fail', 'error', 'sent_at', 'scheduled_at', 'delivered_at' ]; public function user() { return $this->belongsTo(User::class); } }