The advanced threshold (more...) dialog box has two sections. Use them for these tasks:
Threshold Notification Dialog Box (default selection). This displays a dialog box on your screen when a threshold is crossed.
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Execute: Command -> Set the Execute toggle. Choose Command to open a pull-down list of command categories, then choose a command from the submenu to open a command execution dialog box.
Click on OK to save setting and return to the main window, click on Reset to return the settings to their defaults, and click on Cancel close the dialog box without saving the settings.