OptionalhtmlOptional. Content of the rich message to send described using HTML formatting. See rich message formatting options for more details.
Optionalis_Optional. Pass True if the rich message must be shown right-to-left
OptionalmarkdownOptional. Content of the rich message to send described using Markdown formatting. See rich message formatting options for more details.
Optionalskip_Optional. Pass True to skip automatic detection of entities (e.g., URLs, email addresses, username mentions, hashtags, cashtags, bot commands, or phone numbers) in the text
Describes a rich message to be sent. Exactly one of the fields html or markdown must be used.