mongoc_write_concern_append - Man Page

bool
mongoc_write_concern_append (mongoc_write_concern_t *write_concern,
                             bson_t *command);

• write_concern: A pointer to a mongoc_write_concern_t.
• command: A pointer to a bson_t.

This function appends a write concern to command options. It is useful for appending a write concern to command options before passing them to mongoc_client_write_command_with_opts() or a related function that takes an options document.

Returns true on success. If any arguments are invalid, returns false and logs an error.

See the example code for mongoc_client_write_command_with_opts().

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