## system.System.add_dev()


Add a device to the device dictionary.


Usage

``` python
system.System.add_dev(
    name, descriptor, args=None, kwargs=None, config_params=None
)
```


## Parameters


`name: str`  
Unique device name, will be dictionary key.

`descriptor: object`  
Device instance (must neither be initialized nor opened).

`args: tuple = None`  
Tuple containing args passed upon device initialization.

`kwargs: dict = None`  
Dictionary with kwargs passed upon device initialization.

`config_params: dict = None`  
Dictionary with query configuration, see query function for details.