Optional
captionCaption of the media
Optional
invertWhether to invert media position.
Currently only supported for web previews and makes the client render the preview above the caption and not below.
Optional
replyMessage reply markup
Optional
requiredWhether the link must be present in the message for the preview to appear
Optional
sizeBy default, size of the media in the preview is determined based on content type.
You can override this behaviour by passing the wanted size here
Text of the message
Webpage URL
A webpage to be sent