# ClassRegLogGetClass

This function returns the class corresponding to a given cookie.

### Synopsis

    #include "petsc.h"
    PetscErrorCode ClassRegLogGetClass(ClassRegLog classLog, PetscCookie cookie, int *oclass)

Not Collective

### Input Parameters

| classLog | - The ClassRegLog
| cookie | - The cookie

### Output Parameter

oclass -The class id

### Keywords

log, class, register

### See Also

PetscLogClassRegister(), PetscLogObjCreateDefault(), PetscLogObjDestroyDefault()

Level:developer
Location:src/sys/src/plog/classLog.c
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