mongoc_apm_server_heartbeat_succeeded_get_reply()

const bson_t *
mongoc_apm_server_heartbeat_succeeded_get_reply (const mongoc_apm_server_heartbeat_succeeded_t *event);

Returns this event's reply. The data is only valid in the scope of the callback that receives this event; copy it if it will be accessed after the callback returns.

A bson_t that should not be modified or freed.

Introduction to Application Performance Monitoring