Use the Debug modifier to write information about generated primitives to a text TXT log file. Debug information includes:
Specifies the areas of the surface for which you want to generate information.
Sets the detail of the logged information.
For example, setting Verbose Level to 1 saves the Description name only. Setting it to 4 includes Description name, patch name, primitive type and ID, and the number of primitive CVs.
Saves the debug file using the specified name and location.