This enumeration identifies the grouping class. Instead of individual events being delivered to the callback, events are grouped before being sent to the callback. This enumeration is used in the :ref:`dpiSubscrCreateParams<dpiSubscrCreateParams>` structure.
.. list-table-with-summary:: :header-rows: 1 :class: wy-table-responsive :widths: 15 35 :summary: The first column displays the value of the dpiSubscrGroupingClass enumeration. The second column displays the description of the dpiSubscrGroupingClass enumeration value. * - Value - Description * - DPI_SUBSCR_GROUPING_CLASS_TIME - Events are grouped by the period of time in which they are received.