Eject Optical Disk
Use this command to eject an optical disk from the drive selected or to just open the disk tray.
Script Editor > Expand System Category > Eject Optical Disk
Close Optical Disk Tray
Use this function to close the disk tray selected.
Script Editor > Expand System Category > Close Optical Disk Tray
Use the first available drive
This option selects the first available disk drive. If there is only one disk drive attached to the computer, then use this option.
Choose the drive
If there is more than one disk drive on the computer, then choose from the drop down list which drive to use.