from otree.api import * doc = """ Your app description """ class C(BaseConstants): NAME_IN_URL = 'completion_link' PLAYERS_PER_GROUP = None NUM_ROUNDS = 1 class Subsession(BaseSubsession): pass class Group(BaseGroup): pass class Player(BasePlayer): pass # PAGES class CompLink(Page): @staticmethod def js_vars(player): return dict( completionlink=player.subsession.session.config['completionlink'] ) pass page_sequence = [CompLink, ]