This command will print a list of all stages (completed and uncompleted) of the quest with the specified ID - useful for finding out quest stage numbers.
showqueststages [quest id]
|Quest ID||The ID of the quest you wish to print a list of all stages for.|
This command will print a list of all stages in the quest with ID 0001f25e, which is Unlikely Valentine. All stages, both completed and uncompleted, will be printed to the console, with their IDs.