Optionallanguage_A two-letter ISO 639-1 language code. If empty, commands will be applied to all users from the given scope, for whose language there are no dedicated commands
OptionalscopeA JSON-serialized object, describing scope of users for which the commands are relevant. Defaults to BotCommandScopeDefault.
A JSON-serialized list of bot commands to be set as the list of the bot's commands. At most 100 commands can be specified.