(This item pertains to the Custom Probe Builder Utility, accessible through Edit | Preferences | Custom Probe Builder Utility.)
Use the Custom Probe Builder Utility to create a custom probe. You can then use this probe in new or existing measurement routines.
Custom Probe Builder Utility - CAD Components tab
More:
Custom Probe Builder Utility File Menu
Custom Probe Builder Utility CAD Components Tab
Custom Probe Builder Utility Component Builder Tab