.. _mpi_t_event_callback_set_info:


MPI_T_event_callback_set_info
=============================

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:ref:`MPI_T_event_callback_set_info` |mdash| Updates the hints of the callback function registered for the callback safety level specified by cb_safety of the event-registration handle associated with event_registration.

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.. include:: ./bindings/mpi_t_event_callback_set_info.rst

INPUT PARAMETERS
----------------
* ``event_registration``: Event registration
* ``cb_safety``: maximum callback safety level
* ``info``: Info argument

DESCRIPTION
-----------

:ref:`MPI_T_event_callback_set_info` Updates the hints of the callback function registered for the callback safety level specified by ``cb_safety`` of the event-registration handle associated with event_registration.


ERRORS
------

:ref:`MPI_T_event_callback_set_info` will fail if:

.. include:: ./MPI_T_ERRORS.rst