**To put a new access control rule** The following ``put-access-control-rule`` example denies the specified user access to the specified Amazon WorkMail organization. :: aws workmail put-access-control-rule \ --name "myRule" \ --effect "DENY" \ --description "my rule" \ --user-ids "S-1-1-11-1111111111-2222222222-3333333333-3333" \ --organization-id m-n1pq2345678r901st2u3vx45x6789yza This command produces no output. For more information, see `Working with Access Control Rules <https://docs.aws.amazon.com/workmail/latest/adminguide/access-rules.html>`__ in the *Amazon WorkMail Administrator Guide*.