ChatGPT appears to be testing support for Gmail and Google Calendar integration. This will allow users to summarise emails ...

any warranty of merchantability or fitness for a particular purpose or use; and (b) shall not be liable for any errors, incompleteness, interruption or delay, action taken in reliance on any data ...

It's only included because it's trivial to do so, but it's not recommended for use within HTTP requests. Responses may be constructed manually. This is mainly just for testing, but may have other uses ...