This command can be used to preview the quest complete screen without changing anything about your current position/progress in the quest.
The syntax for the previewquestcomplete command is as follows:
/previewquestcomplete [quest id] [position] [species] Debug Mode
This command has the following arguments:
|Quest ID||The ID of the quest to preview the completion screen.|
|Position||The the sequence position to preview at, one of the following: first, last, next or solo.|
|Species||The species of the quest giver for the preview.|
Find below working examples of the previewquestcomplete command.
/previewquestcomplete apex_mission2 solo human
This command would open up the quest complete screen for the 'solo' stage of the second Apex Mission quest (given by a human).