pruneGuildMembers kicks the members who were inactive for a certain time and had not been assigned any roles.
Client:pruneGuildMembers(<number> days, (boolean) dry, (string) reason)
Returns: <User> user
Set the dry to true, if you want to check how much people would have been kicked (without kicking them).
See discordGuild PATCH.
print(Client:pruneGuildMembers(1, true, "TEST"))