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mongoc_apm_command_failed_get_reply - mongoc_apm_command_failed_get_reply()
const bson_t * mongoc_apm_command_failed_get_reply ( const mongoc_apm_command_failed_t *event); Returns the server's reply to a command that failed. The reply contains details about why the command failed. If no server reply was received, such as in the event of a network error, then the reply is a valid empty BSON document. 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.
· event: A mongoc_apm_command_failed_t.
A bson_t that should not be modified or freed.
Introduction to Application Performance Monitoring
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