# PetscLogInfoActivateClass

Activates PlogInfo() messages for a PETSc object class.

### Synopsis

    #include "petsc.h"
    int PetscLogInfoActivateClass(int objclass)

Not Collective

### Input Parameter

objclass -The object class, e.g., MAT_COOKIE, SNES_COOKIE, etc.

### Notes

One can pass 0 to activate all messages that are not associated with an object.

### Keywords

allow, information, printing, monitoring

### See Also

PetscLogInfoDeactivateClass(), PetscLogInfo(), PetscLogInfoAllow()

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