1MONGOC_APM_TOPOLOGY_CHANMGOENDG_OGCE_TA_PPMR_ETVlOIiPObOUmLSoO_nGDgYEo_ScCCHRAINPGTEIDO_NG(E3T)_PREVIOUS_DESCRIPTION(3)
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SYNOPSIS

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

15       • event: A mongoc_apm_topology_changed_t.
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RETURNS

18       A mongoc_topology_description_t that should not be modified or freed.
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20       SEE ALSO:
21          Introduction to Application Performance Monitoring
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AUTHOR

25       MongoDB, Inc
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28       2017-present, MongoDB, Inc
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331.25.1                 MONGOC_APMN_oTvOP0O8L,OG2Y0_2C3HANGED_GET_PREVIOUS_DESCRIPTION(3)
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