# External Device

The External Device operation executes various operations on the external storage connected to the display unit.

##### Block

##### Text

eject($Enums.Storage.SDCard);
1 2

1: Operation

2: External storage

### Configurable Properties

Operation | ##### Block [Eject] [Upload] [Download] ##### Text 'eject' 'upload' 'download' | [Eject] - Disconnects the external storage connected to the display unit. Note: When Using SP5000 Series Open Box (Windows 10 IoT Enterprise Model), IPC Series, or PC/AT, this function is not available. [Upload] - Uploads the package.BML file, used in File System transfer, from the display unit to external storage. [Download] - Downloads the package.BML file, used in File System transfer, from external storage to the display unit. Note: Perform [Upload] and [Download] as part of File System transfer. For details, refer to the following. Transferring a Project with the File System
External storage | ##### Block [USBStorage] [SDCard] ##### Text '$Enums.Storage.USBStorage' '$Enums.Storage.SDCard' |