| state | UserChallengeState | state of the challenge<br><br>UserChallengeState enum<br>- _LOCKED = 0_<br>- _UNLOCKED = 1_<br>- _ONGOING = 2_<br>- _DUEL = 3_<br>- _DONE = 4_ |
| target | number | Number of stars required to unlock the duel |
| progress | ChallengeProgress | Number of stars earned by the user for each challenge<br><br>ChallengeProgress enum<br>- _quizzProgress: number_<br>- _explorationProgress: number_<br>- _actionProgress: number_ |