List of the bot's commands.
A two-letter ISO 639-1 language code. If empty, the commands will be applied to all users from the given scope, for which language there are no dedicated commands.
The scope to which the commands are relevant; pass null to change commands in the default bot command scope.
Sets the list of commands supported by the bot for the given user scope and language; for bots only. Request type for Tdjson#setCommands.