For example, LH 474 and AC 9099, both partners of Star Alliance, codeshare on a route using a single aircraft, either Lufthansa or Air Canada, to operate that route at that given time.
To illustrate, LH 474 and AC 9099, as joint members of Star Alliance, join forces on a specific flight by employing a single plane, either Lufthansa or Air Canada, to execute that particular journey at the specified moment.