ProficiencyChanged object

Indicates that the user's proficiency has changed as a result of answering a drill question.


The current (updated) and highest proficiency, as well as an estimate for the time spent by the learner expressed in seconds. If a single drill is being practiced, the drill ID is also included.

  "type": "DRILL",
  "id": "6oh1EsxpJYqEcNuRwxS76Q",
  "proficiency": {
    "current": 42,
    "highest": 80
  "timeSpent": 542


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