**To set the access policy of a vault** The following ``set-vault-access-policy`` example attaches a permission policy to the specified vault. :: aws glacier set-vault-access-policy \ --account-id 111122223333 \ --vault-name example_vault --policy '{"Policy": "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":\"arn:aws:iam::444455556666:root\"},\"Action\":\"glacier:ListJobs\",\"Resource\":\"arn:aws:glacier:us-east-1:111122223333:vaults/example_vault\"},{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":\"arn:aws:iam::444455556666:root\"},\"Action\":\"glacier:UploadArchive\",\"Resource\":\"arn:aws:glacier:us-east-1:111122223333:vaults/example_vault\"}]}"}' This command produces no output.