src/Model/Aps.php
public function withSound(string $sound): Aps
    {
        $cloned = clone $this;

        $cloned->sound = $sound;

        return $cloned;
    }
public function withSound(string $sound): Aps
    {
        $cloned = clone $this;

        $cloned->sound = $sound;

        return $cloned;
    }
Set sound

@param string $sound

@return Aps