Command option Sample:aws guardduty delete-members

Search command sample in the internet.It is the result.

Deletes GuardDuty member accounts (to the current GuardDuty masteraccount) specified by the account IDs.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/guardduty/delete-members.html

aws のオプション一覧