src/Api/User.php
public function sendImage(string $imageContents) : ?Message
    {
        $thread = $this->messageGroup();
        
        if ($thread === null) return null;

        return $thread->sendImage($imageContents);
    }
public function sendImage(string $imageContents) : ?Message
    {
        $thread = $this->messageGroup();
        
        if ($thread === null) return null;

        return $thread->sendImage($imageContents);
    }
public function sendImage ( string $ imageContents ) : ? Message { $ thread = $ this -> messageGroup ( ) ; if ( $ thread === null ) return null ; return $ thread -> sendImage ( $ imageContents ) ; }
Send an image Message to the User.

@param string $imageContents Raw bytes of the image.
@return Message|null
Send an image Message to the User .