DUMPUSERDATA

typedef struct _DUMPUSERDATA {
  ULONG           no_of_variables;
  DUMPDATAVAR      DumpDataVar[MAX_USER_DUMPS];
} DUMPUSERDATA;

typedef DUMPUSERDATA *PDUMPUSERDATA;

no_of_variables (ULONG)

Number of data/structures to be collected by the probe. Maximum number of variables that can be collected is 30.