Designates an Amazon Web Services account within the organization as your GuardDuty delegated administrator. Only the organization's management account can run this API operation.
See https://www.paws-r-sdk.com/docs/guardduty_enable_organization_admin_account/ for full documentation.
guardduty_enable_organization_admin_account(AdminAccountId)
[required] The Amazon Web Services account ID for the organization account to be enabled as a GuardDuty delegated administrator.