1MONGOC_APM_TOPOLOGY_CHANMGOENDG_OGCE_TA_PPMR_ETVlOIiPObOUmLSoO_nGDgYEo_ScCCHRAINPGTEIDO_NG(E3T)_PREVIOUS_DESCRIPTION(3)
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NAME

6       mongoc_apm_topology_changed_get_previous_description       -       mon‐
7       goc_apm_topology_changed_get_previous_description()
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SYNOPSIS

10          const mongoc_topology_description_t *
11          mongoc_apm_topology_changed_get_previous_description (
12             const mongoc_apm_topology_changed_t *event);
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14       Returns this event's previous description. The data is  only  valid  in
15       the  scope of the callback that receives this event; copy it if it will
16       be accessed after the callback returns.
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PARAMETERS

19       • event: A mongoc_apm_topology_changed_t.
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RETURNS

22       A mongoc_topology_description_t that should not be modified or freed.
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24       SEE ALSO:
25          Introduction to Application Performance Monitoring
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AUTHOR

29       MongoDB, Inc
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32       2017-present, MongoDB, Inc
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371.21.1                 MONGOC_APMM_aTrOP0O2L,OG2Y0_2C2HANGED_GET_PREVIOUS_DESCRIPTION(3)
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