CmdID / aws / aws organizations
aws organizations register-delegated-administrator
Enables the specified member account to administer the Organizations features of the specified Amazon Web Services service. AWS CLI reference
2 options Its page in the AWS CLI reference
Options
--account-idThe account ID number of the member account in the organization to register as a delegated administrator.--service-principalThe service principal of the Amazon Web Services service for which you want to make the member account a delegated administrator.