account
Account name prefix. Empty the system randomly generated. Format: English letters, numbers, and special characters_.-can be entered. It must start and end with an English letter or number, and continuous special characters_.-cannot be entered '_.-'. The format of the full account name is @< ResourceDirectoryId>.aliyunid.com, for example: 'alice @ rd-3G ****.aliyunid.com' The account name must be unique in the resource directory.