/// migrate((app) => { const collection = new Collection({ "createRule": "", "deleteRule": "", "fields": [ { "autogeneratePattern": "[a-z0-9]{15}", "help": "", "hidden": false, "id": "text3208210256", "max": 15, "min": 15, "name": "id", "pattern": "^[a-z0-9]+$", "presentable": false, "primaryKey": true, "required": true, "system": true, "type": "text" } ], "id": "pbc_2769025244", "indexes": [], "listRule": "", "name": "settings", "system": false, "type": "base", "updateRule": "", "viewRule": "" }); return app.save(collection); }, (app) => { const collection = app.findCollectionByNameOrId("pbc_2769025244"); return app.delete(collection); })