inline-keyboard-button

record inline-keyboard-button {
  callback-data: option​<string>,
  callback-game: option​<callback-game>,
  login-url: option​<login-url>,
  pay: option​<bool>,
  switch-inline-query: option​<string>,
  switch-inline-query-current-chat: option​<string>,
  text: string,
  url: option​<string>,
}