/// migrate((app) => { const collection = app.findCollectionByNameOrId("pbc_3161158982") // add field collection.fields.addAt(3, new Field({ "hidden": false, "id": "bool458715613", "name": "is_active", "presentable": false, "required": false, "system": false, "type": "bool" })) return app.save(collection) }, (app) => { const collection = app.findCollectionByNameOrId("pbc_3161158982") // remove field collection.fields.removeById("bool458715613") return app.save(collection) })