/// migrate((app) => { const collection = app.findCollectionByNameOrId("pbc_1063824264") // update collection data unmarshal({ "name": "badge_progress" }, collection) return app.save(collection) }, (app) => { const collection = app.findCollectionByNameOrId("pbc_1063824264") // update collection data unmarshal({ "name": "player_badge_progress" }, collection) return app.save(collection) })