| Attribute | Type | Description | Required | 
        
          | domain | string | The domain or computer name that verifies the credentials. | False | 
        
          | if | bool | Indicates if the credentials should be used to provide authentication information to the external resource. If true then the credentials will be passed; otherwise, not. The default is true. | False | 
        
          | password | string | The password for the user name associated with the credentials. | False | 
        
          | unless | bool | Indicates if the credentials should not be used to provide authentication information to the external resource. If false then the credentials will be passed; otherwise, not. The default is false. | False | 
        
          | username | string | The user name associated with the credentials. | False | 
        
          | id | string | The ID used to be referenced later. | False | 
        
          | refid | string | The ID to use as the reference. | False |