turnbasedgamedata/Config/Level/EventMission/Test/FindChest/EventMission_900108.json

{
  "OnInitSequece": [],
  "OnStartSequece": [
    {
      "TaskList": [
        {
          "$type": "RPG.GameCore.FinishPerformanceMission",
          "Key": "EventMission_900108"
        }
      ]
    }
  ]
}