You can use DHCP Manager or dhtadm -P to display all the macros defined on a DHCP server.
Select the Macros tab.
The Macros area on the left side of the window displays, in alphabetical order, all macros defined on the server. Macros preceded by a folder icon include references to other macros, while macros preceded by a document icon do not reference other macros.
To open a macro folder, click the open/close widget to the left of the folder icon.
The macros included in the selected macro are listed.
To view the contents of a macro, click the macro name and look at the area on the right side of the window.
Options and their assigned values are displayed.